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Bavenite

A valid IMA mineral species - grandfathered
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About BaveniteHide

Formula:
Ca4Be2Al2Si9O26(OH)2
Colour:
White
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.71 - 2.74
Crystal System:
Orthorhombic
Name:
After the type locality of Baveno, Piedmont, Italy.
Bavenite-Bohseite Series.

The composition extends from Ca4Be2Al2Si9O26(OH)2 to Ca4Be3AlSi9O25(OH)3.

The bavenite-bohseite relation is described by the following substitution scheme: O(2)OH + T(4)Si4+ + T(3)Be2+ ↔ O(2)O2– + T(4)Al3+ + T(3)Si4+.


Unique IdentifiersHide

Mindat ID:
577
Long-form identifier:
mindat:1:1:577:3

IMA Classification of BaveniteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Ca4Be2+xAl2-xSi9O26-x(OH)2+x (x = 0 to 1)
First published:
1901

Classification of BaveniteHide

9.DF.25

9 : SILICATES (Germanates)
D : Inosilicates
F : Inosilicates with 2-periodic multiple chains
70.5.3.1

70 : INOSILICATES Column or Tube Structures
5 : Column or Tube Structures with chains linked by Be
16.6.3

16 : Silicates Containing Aluminum and other Metals
6 : Aluminosilicates of Be

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
BvnIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of BaveniteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of BaveniteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
White
Streak:
White
Hardness:
5½ on Mohs scale
Cleavage:
Perfect
Perfect on {001}, fair on {100}
Density:
2.71 - 2.74 g/cm3 (Measured)    2.74(5) g/cm3 (Calculated)

Optical Data of BaveniteHide

Type:
Biaxial (+)
RI values:
nα = 1.578 - 1.586 nβ = 1.579 - 1.586 nγ = 1.583 - 1.593
2V:
Measured: 22° to 60°
Max. Birefringence:
δ = 0.005 - 0.010
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.

Surface Relief:
Moderate
Dispersion:
r < v moderate
Optical Extinction:
X = c; Y = b; Z = a

Chemistry of BaveniteHide

Mindat Formula:
Ca4Be2Al2Si9O26(OH)2
Element Weights:
Element% weight
O47.909 %
Si27.032 %
Ca17.144 %
Al5.771 %
Be1.928 %
H0.216 %

Calculated from ideal end-member formula.

Chemical AnalysisHide

Crystallography of BaveniteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 19.39(2) Å, b = 23.19(2) Å, c = 5.005(9) Å
Ratio:
a:b:c = 0.836 : 1 : 0.216
Unit Cell V:
2,250.52 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Type material: {100} (large), {110}, {210}, {101}, {103}.
Twinning:
On {100}
Comment:
Space group Am2a (non-standard setting).

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005039BaveniteArmstrong J A, Friis H, Lieb A, Finch A A, Weller M T (2010) Combined single-crystal X-ray and neutron powder diffraction structure analysis exemplified through full structure determinations of framework and layer beryllate minerals American Mineralogist 95 519-5262010Ilimaussaq alkaline complex, South Greenland0293
0009299BaveniteCannillo E, Coda A, Fagnani G (1966) The crystal structure of bavenite Acta Crystallographica 20 301-30919660293
0019874BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Rincon, San Diego County, California0293
0019875BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Ilimaussaq, Kangerluarsuk Fjord, Greenland0293
0019876BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Government Pit, Albany, New Hampshire0293
0019877BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Kalisay, Kyrgizstan0293
0019878BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Baveno, Italy0293
0019879BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Londonderry, West Australia0293
0019880BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Sandvik Property, Zealand Twp., Kenora District, Ontario0293
0019881BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Foote Mine, King's Mountain, Cleavland County, North Carolina0293
0019882BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Lily Pad Lake, Fort Hope, Ontario, Canada0293
0019883BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Aple Rossa, Oresco, Novara, Italy0293
0019884BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Oresco, Val Vigeddo, Italy0293
0019885BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Ascham Alm, Untersulzbachtal, Salzburg, Austria0293
0019886BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Lily Pad Lake, Fort Hope, Ontario, Canada0293
0019887BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Lily Pad Lake, Fort Hope, Ontario, Canada0293
0019888BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Lily Pad Lake, Fort Hope, Ontario, Canada0293
0019889BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Drahonin A, Czech Republic0293
0019890BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Marsikov, Schinderhubel 1, Czech Republic0293
0019891BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Vlastejovice, Czech Republic0293
0019892BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Mont Saint-Hilaire, Quebec, Canada0293
0019893BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Nye Rull, Buskerud, Norway0293
0019894BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Baveno, Italy0293
0019895BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Norway0293
0019896BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Lily Pad Lake, Fort Hope, Ontario, Canada0293
0019897BaveniteLussier A J, Hawthorne F C (2011) Short-range constraints on chemical and structural variations in bavenite Mineralogical Magazine 75 213-2392011Ekaterinburg (near), Ural, Russia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Loading XRD data...
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
3.74 Å(100)
3.35 Å(90)
3.24 Å(80)
3.13 Å(70)
3.05 Å(70)
2.56 Å(60)
4.19 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]

Type Occurrence of BaveniteHide

General Appearance of Type Material:
Tufts, with a fibrous radiating structure, or thin prisms.
Place of Conservation of Type Material:
Municipal Museum of Natural History, Milan, Italy.
Natural History Museum, Paris, France, 108.1881, 108.1882.
Geological Setting of Type Material:
In miarolitic cavities in granite.
Associated Minerals at Type Locality:

Synonyms of BaveniteHide

Other Language Names for BaveniteHide

Dutch:Baveniet
German:Bavenit
Norwegian:Bavenitt
Simplified Chinese:硬羟钙铍石
Spanish:Bavenita

Relationship of Bavenite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
77 photos of Bavenite associated with QuartzSiO2
74 photos of Bavenite associated with Chlorite Group
56 photos of Bavenite associated with AlbiteNa(AlSi3O8)
53 photos of Bavenite associated with MicroclineK(AlSi3O8)
50 photos of Bavenite associated with Smoky QuartzSiO2
49 photos of Bavenite associated with Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
41 photos of Bavenite associated with FluoriteCaF2
19 photos of Bavenite associated with PrehniteCa2Al2Si3O10(OH)2
18 photos of Bavenite associated with ClinochloreMg5Al(AlSi3O10)(OH)8
12 photos of Bavenite associated with MilariteK(◻H2O)Ca2(Be2Al)[Si12O30]

Related Minerals - Strunz-mindat GroupingHide

9.DF.BohseiteCa4Be3+xAl1-xSi9O25-x(OH)3+xOrth. mmm (2/m 2/m 2/m) : Cmcm
9.DF.05Jimthompsonite(Mg,Fe)5Si6O16(OH)2Orth. mmm (2/m 2/m 2/m) : Pbca
9.DF.05Clinojimthompsonite(Mg,Fe)5Si6O16(OH)2Mon. 2/m : B2/b
9.DF.05Chesterite(Mg,Fe)17Si20O54(OH)6Orth. mm2
9.DF.15ErshoviteNa4K3(Fe,Mn,Ti)2Si8O22(OH)4 · 4H2OTric. 1 : P1
9.DF.15ParaershoviteNa3K3Fe3+2Si8O20(OH)4 · 4H2OTric. 1 : P1
9.DF.20Tvedalite(Ca,Mn)4Be3Si6O17(OH)4 · 3H2OOrth.
9.DF.30BigcreekiteBaSi2O5 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma

Other InformationHide

Electrical:
Weakly piezoelectric.
Notes:
Fuses easily in a flame, with luminescence.
Affected slightly by acids, even with a fine powder and hot acid.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for BaveniteHide

References for BaveniteHide

Reference List:

Localities for BaveniteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Afghanistan
 
  • Kunar
    • Dara-e-Pech District
various photographs
  • Nuristan
    • Kamdesh District
Ikram Mineralogy (Wholly owned & manage by Ikram Nature Exploration )
Australia
 
  • Tasmania
    • Burnie City
      • Hampshire mining district
        • Kara Mines
Whitehead +1 other reference
    • Waratah-Wynyard municipality
      • Heazlewood district
        • Luina
www.crocoite.com (2001)
      • Waratah district
        • Waratah
Bottrill +1 other reference
Bottrill et al. (2008)
    • West Coast municipality
      • Mt Lindsay mineral field
Bottrill et al. (2008)
  • Western Australia
    • Coolgardie Shire
      • Nepean
Jacobson et al. (2007)
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Flattach
        • Wurten
Walter et al. (2025)
      • Heiligenblut am Großglockner
        • Große Fleiß valley
Niedermayr et al. (1995)
          • Hocharn
Mörtl (1984)
Niedermayr et al. (1995)
      • Malta
Niedermayr et al. (1995)
matrixx 5
        • Koschach
J.Metzger (1997)
Annalen 1999
    • Wolfsberg District
      • Frantschach-Sankt Gertraud
        • Brandrücken
Niedermayr et al. (1995)
  • Lower Austria
    • Gmünd District
KÖRNER (2006)
      • Schrems
        • Gebharts
- (n.d.) +1 other reference
    • Horn District
      • Gars am Kamp
        • Maiersch
Exel (1993)
    • Krems-Land District
      • Maria Laach am Jauerling
        • Nonnersdorf
Kappelmüller (1994) +1 other reference
NIEDERMAYR (1983)
50. +1 other reference
HEHENBERGER (1996)
HEHENBERGER (1996)
C.Auer (2020)
      • Weinzierl am Walde
        • Maigen
Hehenberger (1997)
    • Krems an der Donau
      • Alauntal
Huber et al. (1984)
    • Melk District
      • Weiten
Kugler (1995)
    • Waidhofen an der Thaya District
      • Pfaffenschlag bei Waidhofen
        • Artolz
KOLLER (1978) +1 other reference
      • Raabs an der Thaya
        • Eibenstein an der Thaya
Niedermayr (1996) +1 other reference
    • Zwettl District
Kolitsch et al. (2010)
  • Salzburg
    • St. Johann im Pongau District
      • Bad Gastein
        • Ardackerbach (Scheiblinggraben)
Exel (1993)
        • Böckstein
Strasser (1989)
In Coll. M. Slama
        • Naßfeld valley
Strasser (1989)
Niedermayr (1984)
Strasser (1989)
Strasser (1989)
Strasser (1989)
          • Sportgastein
Kolitsch (2009)
Strasser (1989)
Strasser (1989)
        • Siglitz - Bockhart gold mining district
Strasser (1989)
    • Tamsweg District
      • Muhr
        • Rotgülden
          • Lower Rotgülden lake
Strasser (1989)
    • Zell am See District
      • Bramberg am Wildkogel
Martin Slama collection
In Coll. M. Slama
        • Breitkopf
Martin Slama Coll.
        • Kratzenberg
collected by Kurt Novak
        • Nasenkopf mountain
Strasser (1989)
In Coll. M. Slama (ex Csanad Loranth Coll.)
Martin Slama collection
      • Hollersbach im Pinzgau
        • Sandebentörl
- (n.d.)
      • Mittersill
        • Mittersill Scheelite deposit
Strasser (1989)
      • Neukirchen am Großvenediger
        • Abichl Alp - Beryller area
Strasser (1989)
        • Ascham Alp - Breitfuß - Sonntagskopf area
Strasser (1989)
Collection of NHM
        • Gosskopf
Strasser (1989)
Martin Slama collection
Strasser (1989)
        • Knappenwand area
Strasser (1989)
Strasser (1989)
Strasser (1989)
Strasser (1989)
      • Rauris
        • Alteck - Hoher Sonnblick area
Franz Walter et al. (2011)
Strasser (1989)
Strasser (1989)
  • Styria
    • Deutschlandsberg District
      • Bad Schwanberg
        • Glashütten
Postl W. & Bojar H.P. (2015)
    • Graz-Umgebung District
      • Sankt Radegund bei Graz
Moser (1987)
  • Tyrol
    • Lienz District
      • Prägraten am Großvenediger
        • Dorferbach valley
Walter F. (2022)
    • Schwaz District
      • Brandberg
Exel (1993)
Gerd Stefanik collection
      • Finkenberg
        • Schrammacher
Folie et al. (1999)
Folie et al. (1999)
A. Perugini collection
  • Upper Austria
    • Freistadt District
      • Königswiesen
Bernhard Gruber
Niedermayr (1986)
    • Urfahr-Umgebung District
      • Steyregg
        • Pulgarn
Haider (1997)
Bulgaria
 
  • Burgas Province
    • Sozopol Municipality
      • Chernomoretz
- (n.d.)
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Cat Lake - Winnipeg River pegmatite field
Paul (1984) +1 other reference
  • Newfoundland and Labrador
    • Newfoundland
      • Great Gull Lake
correspondance with Giles Peatfied (see description)
  • Ontario
    • Kenora District
      • Fort Hope
Breaks et al. (2008)
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Grice (1989) +1 other reference
China
 
  • Hunan
    • Chenzhou
      • Yizhang Co.
        • Dongpo ore field
Zhongming Zhang and Shihui Luo (1984) +1 other reference
        • Yaogangxian W-Sn ore field
Ottens (2011)
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
Duda +1 other reference
        • Moldanubian Zone pegmatites
          • Holý vrch deposit
Novák et al. (2013) +1 other reference
  • Liberec Region
    • Liberec District
      • Liberec
        • Ruprechtice
Martin Slama Coll.
  • Olomouc Region
    • Šumperk District
      • Petrov nad Desnou
Kruťa T. et al. (1968)
      • Šumperk
Procházka (1969)
      • Velké Losiny
        • Maršíkov (Marchendorf)
Ddolníček Z et al. (2020)
Novák
Duda +1 other reference
  • South Bohemian Region
    • České Budějovice District
Welser +5 other references
  • South Moravian Region
    • Brno-Country District
Martin Slama Coll.
  • Ústí nad Labem Region
    • Chomutov District
In Collection of Martin Slama
  • Vysočina Region
    • Třebíč District
      • Kožichovice
Výravský et al. (2017)
    • Žďár nad Sázavou District
      • Věžná
www.cseg.ca/conferences/2000/556.PDF. +3 other references
Cerny et al. (1964) +1 other reference
Finland
 
  • Kanta-Häme
    • Forssa
Ilkka Mikkola data
Ilkka Mikkola data
  • Päijänne Tavastia
    • Heinola
Collected by Matti Long
  • Southwest Finland
Joel Dyer collection
Joel Dyer photo
France
 
  • Brittany
    • Côtes-d'Armor
      • Guingamp
        • Trémargat
Germain C. (1988)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Lörrach
Walenta (1996)
        • Kleines Wiesental
          • Tegernau
Walenta (1996)
        • Malsburg-Marzell
70. +1 other reference
    • Karlsruhe Region
      • Rhein-Neckar-Kreis
        • Schriesheim
U. Kolitsch (1996) +1 other reference
  • Bavaria
    • Lower Bavaria
      • Freyung-Grafenau District
        • Röhrnbach
Habel (2001) +1 other reference
        • Saldenburg
          • Matzersdorf
Blass et al. (2004)
        • Schönberg
          • Saunstein
Weiß (1990)
        • Waldkirchen
          • Oberfrauenwald
Habel et al. (1994)
      • Passau District
        • Tittling
          • Tittling
            • Hötzendorf
Weiß (1990)
Neschen (n.d.)
        • Untergriesbach
Habel (2007)
    • Upper Palatinate
      • Cham District
        • Wald
          • Roßbach
Sperling et al. (1992)
  • Hesse
    • Darmstadt
      • Bergstraße
        • Fürth
          • Erlenbach
Schröder (2006)
        • Lindenfels
          • Das Buch
PETITJEAN collection +1 other reference
    • Giessen Region
      • Limburg-Weilburg
        • Hünfelden
          • Mensfelden
taunusmineralien.de (2013)
  • Saxony
    • Bautzen District
      • Cunewalde
        • Schönberg
Witzke et al. (2008)
    • Erzgebirgskreis
      • Grünhain-Beierfeld
        • Beierfeld
Thomas Witzke (XRD analysis, to be published)
    • Görlitz District
      • Vierkirchen
        • Döbschütz
Witzke et al. (2014)
    • Vogtlandkreis
Gröbner et al. (2007) +1 other reference
  • Thuringia
    • Saale-Orla District
      • Wurzbach
        • Weitisberga
Wittern (2001)
Greenland
 
  • Kujalleq
Petersen (2001)
Collection of NHM
Petersen et al. (1995)
Bohse et al. (2001)
Italy
 
  • Aosta Valley
    • Courmayeur
Piccoli et al. (2007)
  • Lombardy
    • Sondrio Province
      • Chiavenna
Bedognè (1991) +1 other reference
      • Chiesa in Valmalenco
Marchesini et al. (2025)
      • Novate Mezzola
- (n.d.)
Ghizzoni et al. (2005)
Ghizzoni et al. (2005)
Ghizzoni et al. (2005)
Ghizzoni et al. (2005)
  • Piedmont
    • Biella Province
      • Campiglia Cervo
        • San Paolo Cervo
Martini et al. (2012)
Martini et al. (2012)
    • Verbano-Cusio-Ossola Province
In Collection Martin Slama
      • Baveno
        • Feriolo
Piccoli et al. (2007)
Piccoli et al. (2007)
        • Oltrefiume
          • Mount Camoscio
Giovanni Scapin Collection
Albertini (1983)
      • Beura-Cardezza
Roggiani (1940) +1 other reference
R.M.I. 1997 n. 2 pg. 157 to 170 / ...
Piccoli et al. (2007)
      • Craveggia
Mattioli V. (1974) +1 other reference
        • Rio Vasca
Roggiani (1970) +1 other reference
      • Druogno
        • Antoliva Valley
Mattioli V. (1978) +1 other reference
Piccoli et al. (2007)
        • Orcesco
Mattioli V. (1987)
Neschen (n.d.)
      • Mergozzo
        • Candoglia
Mattioli V. (1974)
      • Omegna
        • Agrano
Albertini (1988)
Piccoli et al. (2007) +1 other reference
        • Brughiere
Albertini (2000) +1 other reference
      • Santa Maria Maggiore
Turconi B. (1982) +2 other references
      • Toceno
        • Val di Crana
Piccoli et al. (2007)
Guastoni et al. (2019)
      • Trontano
        • Cosasca
De Michele V. (1967) +2 other references
Del Caldo et al. (1973)
        • Pizzo Marcio
Mattioli (1979 a) +8 other references
Appiani et al. (1995) +2 other references
Mattioli V. (1974) +1 other reference
      • Villadossola
Rivista Mineralogica Italiana
    • Vercelli Province
      • Varallo Sesia
Piccoli et al. (2007)
  • Sardinia
    • Sassari Province
      • Arzachena
        • Mt. Mazzolu
Gamboni et al. (2012)
S. Cuccuru (2011)
      • Calangianus
Gamboni et al. (1997)
      • La Maddalena
        • La Maddalena Island
Gamboni (2003)
      • Palau
Gamboni A.
      • Sant'Antonio di Gallura
Gamboni et al. (1998)
      • Telti
Gamboni et al. (2001)
    • South Sardinia Province
      • San Vito
        • Idda Mountain
Stara P. (1990)
  • Trentino-Alto Adige (Trentino-South Tyrol)
    • South Tyrol
      • Wipptal (Alta Vall'Isarco)
        • Pfitsch (Val di Vizze)
          • Sankt Jakob (San Giacomo)
            • Vizze Pass (Pfitsch Pass; Pfitscher Joch)
Folie et al. (1999)
    • Trento Province
      • Canal San Bovo
        • Vanoi Valley
          • Pralongo
Ferretti et al. (2015) +1 other reference
      • Castello Tesino
Ferretti et al. (2008)
Japan
 
  • Kyoto Prefecture
    • Kameoka City
Tsuruta et al. (2005)
Kazakhstan
 
  • Abai Region
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
Stepanov et al. (2012)
Kyrgyzstan
 
  • Talas Region
    • Ak-Tyuz ore Field
Djenchuraeva et al. (2008) +1 other reference
Madagascar
 
  • Amoron'i Mania
    • Ambatofinandrahana District
      • Mandrosonoro
        • Ambatovita
Pezzotta (2005)
Mongolia
 
  • Khovd Province
    • Myangad District
Kovalenko et al. (2004)
Kovalenko et al. (1995)
        • Mount Ulyn Khuren
Kartashov P.M. et al. (Mongolian Altai)
Econ Geol (1995) +1 other reference
Namibia
 
  • ǁKaras Region
    • Karasburg East
von Bezing (2007)
von Bezing (2007)
Norway
 
  • Agder
Larsen (1975)
    • Evje og Hornnes
      • Landsverk
Frigstad (1968) +1 other reference
Larsen (1975) +1 other reference
Kristiansen (2003)
Kristiansen (2003)
    • Iveland
Pedersen (2007)
Frigstad (1968)
      • Frikstad
Raade (1968) +1 other reference
Breivik et al. (2008)
Pedersen (2007)
Frigstad (1968)
      • Ljosland
Breivik et al. (2010)
Kristiansen (1974) +1 other reference
    • Kristiansand
Larsen (1975) +1 other reference
  • Akershus
    • Eidsvoll
      • Minnesund
Kvamsdal et al. (2006)
  • Buskerud
    • Drammen
      • Åssiden
Atle Michalsen photo and collection
        • Solbergelva
- (n.d.)
Nordli et al. (1997) +2 other references
      • Konnerud
Raade (1968)
    • Øvre Eiker
      • Gunhildrud
  • Nordland
    • Hamarøy
      • Drag
        • Lapplægeret
Kristiansen (1974) +1 other reference
Raade (1972)
  • Østfold
    • Halden
      • Idd
Neumann et al. (1959)
  • Telemark
    • Drangedal
      • Tørdal
Juve et al. (1990) +2 other references
Raade et al. (1993)
    • Porsgrunn
      • Bjørkedalen
Engvoldsen et al. (1991)
- (n.d.)
  • Vestfold
    • Larvik Commune
Ingulv Burvald Collection 1985
Engvoldsen et al. (1991)
    • Tønsberg
      • Ramnes
Andersen et al. (1994)
Pakistan
 
  • Gilgit-Baltistan
    • Roundu District
Ikram Mineralogy
    • Shigar District
      • Shigar Valley
De Ascenção Guedes et al. (2015)
imported from Shigar District +2 other references
Poland
 
  • Lower Silesian Voivodeship
    • Dzierżoniów County
      • Piława Górna
ŁODZIŃSKI et al. 2010: Beryllium minerals (beryl, phenakite and bavenite)
SZUSZKIEWICZ et al. (2013)
Pieczka et al. (2012)
    • Jawor County
      • Gmina Paszowice
Kocher (2010)
    • Karkonosze County
      • Szklarska Poręba
Pieczka A.
    • Świdnica County
      • Gmina Dobromierz
In Collection of Martin Slama
Lis et al. (1986)
Janeczek (1985) +1 other reference
        • Strzegom
Gadomski M.
Lis et al. (1986)
Lis et al. (1986)
Portugal
 
  • Viana do Castelo
    • Valença do Minho
      • Boivão
Alves (n.d.)
Russia
 
  • Buryatia
    • Eastern Sayan
Gordienko et al. (2016) +1 other reference
    • Kizhinginsky District
P.Kolesar and J.Tvrdý +1 other reference
  • Murmansk Oblast
    • Voron'i Tundry
Gavrilenko (2001)
  • Republic of Karelia
    • Pitkyarantsky District
Ivashchenko et al. (2006)
  • Sverdlovsk Oblast
    • Malyshevo
      • Malyshevskoe deposit
Avdonin V.N. (2004)
  • Zabaykalsky Krai
    • Nerchinsky District
      • Adun-Cholon Range
Kasatkin et al. (2014)
South Africa
 
  • Western Cape
    • Cape Winelands District Municipality
      • Drakenstein Local Municipality
        • Paarl
Cairncross et al. (1995)
Cairncross et al. (1995)
Spain
 
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
Dill et al. (2023)
        • Candelaria
          • Barranco Hondo
Dill et al. (2023)
Dill et al. (2023)
Dill et al. (2023)
Dill et al. (2023)
  • Castile-La Mancha
    • Toledo
      • Las Ventas con Peña Aguilera
        • La Escalerilla Area
Calvo (2018)
      • Pulgar
Calvo (2018)
  • Community of Madrid
Garcia-Guinea et al. (2005)
Garcia G. et al. (2004)
      • Concession Tortolas
Carlos Gonzalez Bargueno Coll.
In Coll. M. Slama
      • Veneros claim
Martin Slama Coll.. ex Carlos Gonzales ...
Calvo (2018)
Fernando Castrejon Fernandez .
    • La Cabrera
Tánago et al. (2012)
    • Valdemanco
González del Tánago et al. (21)
González del Tánago et al. (21)
González del Tánago et al. (21)
González del Tánago et al. (21)
  • Extremadura
    • Badajoz
      • Burguillos del Cerro
Calvo (2018)
  • Galicia
    • Pontevedra
      • Ponteareas
Calvo (2018)
Sweden
 
  • Dalarna County
    • Falun
Langhof et al. (2016)
  • Jämtland County
    • Bräcke
Langhof et al. (2016)
  • Jönköping County
    • Värnamo
      • Forsheda
The Swedish Museum of Natural History ...
      • Herrestad
  • Norrbotten County
    • Jokkmokk
Langhof et al. (2016)
  • Stockholm County
    • Haninge
      • Utö
Gustafsson (1991) +2 other references
Nysten (1996)
  • Värmland County
    • Hagfors
Nysten (1996)
    • Torsby
      • S. Finnskoga
Lorin (2001) +2 other references
  • Västra Götaland County
    • Gothenburg
      • Västra Frölunda
Langhof et al. (2016)
Switzerland
 
  • Grisons
    • Maloja Region
      • Bregaglia
        • Upper Val Bregaglia
Stalder et al. (1998)
    • Surselva Region
      • Medel (Lucmagn)
        • Val Medel
          • Val Cristallina
            • Val Casatscha
Stalder et al. (1998)
      • Tujetsch
Stalder et al. (1998)
          • Piz Lai Blau
Stalder et al. (1998)
  • Ticino
    • Leventina
      • Airolo
Stalder et al. (1998)
  • Uri
    • Reuss Valley
      • Göschenen
        • Göschenen Valley
In Collection of Martin Slama
Stalder et al. (1998)
    • Urseren
      • Andermatt
Stalder et al. (1998)
      • Hospental
        • Zumdorf
Köhler (1981) +1 other reference
  • Valais
    • Goms
      • Binn
Cuchet et al. (2019)
      • Fieschertal
Parker et al. (1973)
      • Obergoms
        • Oberwald
          • Furka pass area
            • Furka
Stalder et al. (1998)
Stalder et al. (1998)
Stalder et al. (1998)
    • Martigny
      • Mont Chemin mining district
Thailand
 
  • Chiang Rai Province
Manning et al. (1983)
UK
 
  • England
    • Cumbria
      • Eden
        • Shap Rural
Day (1999) +1 other reference
    • Devon
      • West Devon
        • Okehampton Hamlets
Peter Edwards collection (https://www.mindat.org/mesg-618726.html) +1 other reference
www.mineralman.f9.co.uk (2001)
USA
 
  • California
    • San Diego County
      • Mesa Grande Mining District
        • Gem Hill
Fisher et al. (1) +1 other reference
Schaller et al. (1932) +3 other references
        • Pala
          • Chief Mountain
Mauthner (2024)
    • Santa Clara County
Bailey (1964) +1 other reference
    • Yuba County
      • Smartville Mining District
Murdoch (1966)
  • Connecticut
    • Fairfield County
      • Trumbull
        • Long Hill
Dr. Wilfred Talbot collection.
    • Middlesex County
      • East Hampton (Chatham)
Collection of Kevin Czaja.
      • Haddam
Weber et al. (1995)
Yedlin (1967) +2 other references
      • Portland
        • Collins Hill
          • Strickland pegmatite
Schooner (circa 1985)
  • Maine
    • Oxford County
      • Buckfield
King et al. (1994)
  • New Hampshire
    • Carroll County
      • Albany
Rocks & Minerals 80:4 pp242-261 +1 other reference
Rocks & Min 80:244
      • Conway
Dallaire (2022)
        • North Conway
Rocks & Min 80:245
      • Hale's Location
Janules (Micromounters of NE Newsletter, 4/ 2005) +2 other references
Janules (2005)
  • North Carolina
    • Cleveland County
      • Kings Mountain
Horton et al. (1981) +2 other references
    • Gaston County
  • South Carolina
    • Spartanburg County
Martin Slama collection
  • Virginia
    • Amelia County
      • Amelia (Amelia Court House)
Rocks & Min.: 60: 165. +2 other references
  • Wisconsin
    • Florence County
      • Fern
        • Pine River pegmatites
Falster et al. (1996)
    • Marathon County
Falster (1981) +1 other reference
Falster (1987)
        • Nine Mile Pluton
Thomas Buchholz
Buchholz et al. (2019)
Uzbekistan
 
  • Tashkent
    • Chatkal-Kuraminskii Range
Badalov et al. (1976)
Vietnam
 
M. Slama Coll.
 
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