Bromargyrite
A valid IMA mineral species - grandfathered
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About Bromargyrite
Formula:
AgBr
Colour:
Yellowish, greenish brown, bright green
Lustre:
Adamantine, Resinous, Waxy
Hardness:
2½
Specific Gravity:
6.474
Crystal System:
Isometric
Member of:
Name:
In allusion to its composition, containing BROMine and the Greek for silver, ARGYros.
Type Locality:
Unique Identifiers
Mindat ID:
783
Long-form identifier:
mindat:1:1:783:2
IMA Classification of Bromargyrite
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Bromargyrite
3.AA.15
3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
9.1.4.2
9 : NORMAL HALIDES
1 : AX
9 : NORMAL HALIDES
1 : AX
8.3.2
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
3 : Halides of Ag
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
3 : Halides of Ag
Mineral Symbols
As of 2021 there are now IMAβCNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Bag | IMAβCNMNC | Warr, L.N. (2021). IMAβCNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bromargyrite
Adamantine, Resinous, Waxy
Transparency:
Transparent, Translucent
Colour:
Yellowish, greenish brown, bright green
Streak:
White to yellowish white
Hardness:
2½ on Mohs scale
Tenacity:
Sectile
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
6.474 g/cm3 (Measured) 6.477 g/cm3 (Calculated)
Optical Data of Bromargyrite
Type:
Isotropic
RI values:
n = 2.253
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High
Comments:
Mechanically deformed crystals may be weakly birefringent with lamellar or undulose extinction
Chemistry of Bromargyrite
Mindat Formula:
AgBr
Elements listed:
Common Impurities:
Cl,I
Crystallography of Bromargyrite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Cell Parameters:
a = 5.7745 Å
Unit Cell V:
192.55 Γ
Β³ (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals cubic, with {111} and {011}, to 1 cm; in parallel or subparallel groups; commonly as crusts and coatings; also massive.
Twinning:
{111}, rare
Comment:
On synthetic material.
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0011274 | Bromargyrite | Wyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York rocksalt structure Crystal Structures 1 85-237 | 1963 | 0 | 293 | ||
0015213 | Bromargyrite | Hull S, Keen D A (1999) Pressure-induced phase transitions in AgCl, AgBr, and AgI Physical Review B59 750-761 | 1999 | synthetic | 0 | 293 | |
0015214 | Bromargyrite | Hull S, Keen D A (1999) Pressure-induced phase transitions in AgCl, AgBr, and AgI Physical Review B59 750-761 | 1999 | synthetic | 1.5 | 293 | |
0015215 | Bromargyrite | Hull S, Keen D A (1999) Pressure-induced phase transitions in AgCl, AgBr, and AgI Physical Review B59 750-761 | 1999 | synthetic | 3.9 | 293 | |
0015216 | Bromargyrite | Hull S, Keen D A (1999) Pressure-induced phase transitions in AgCl, AgBr, and AgI Physical Review B59 750-761 | 1999 | synthetic | 6.2 | 293 | |
0015217 | Bromargyrite | Hull S, Keen D A (1999) Pressure-induced phase transitions in AgCl, AgBr, and AgI Physical Review B59 750-761 | 1999 | synthetic | 7.9 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.886 Γ | (100) |
2.041 Γ | (55) |
1.667 Γ | (16) |
1.291 Γ | (14) |
1.1787 Γ | (10) |
3.33 Γ | (8) |
1.444 Γ | (8) |
Comments:
Recorded on synthetic material
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47g : [Halogen-bearing surface weathering minerals] |
Geological Setting:
In the oxidation zones of silver deposits, notably in arid regions
Type Occurrence of Bromargyrite
Geological Setting of Type Material:
Oxidation zone of silver deposit.
Synonyms of Bromargyrite
Other Language Names for Bromargyrite
Dutch:Bromargyriet
French:Bromure d'Argent
Russian:ΠΡΠΎΠΌΠ°ΡΠ³ΠΈΡΠΈΡ
Simplified Chinese:ζΊ΄ιΆηΏ
Spanish:Bromargyrita
Bromita
Bromyrita
Bromita
Bromyrita
Varieties of Bromargyrite
Chlorian Bromargyrite | |
Iodian Bromargyrite | An iodine-bearing variety of bromargyrite. |
Mercuroan Bromargyrite |
Relationship of Bromargyrite to other Species
Member of:
Other Members of Chlorargyrite Group:
Chlorargyrite | AgCl | Iso. m3m (4/m 3 2/m) : Fm3m |
Marshite | CuI | Iso. 4 3m : F4 3m |
Miersite | (Ag,Cu)I | Iso. 4 3m : F4 3m |
Nantokite | CuCl | Iso. 4 3m : F4 3m |
Common Associates
Associated Minerals Based on Photo Data:
28 photos of Bromargyrite associated with Quartz | SiO2 |
15 photos of Bromargyrite associated with Cerussite | PbCO3 |
14 photos of Bromargyrite associated with Malachite | Cu2(CO3)(OH)2 |
13 photos of Bromargyrite associated with Calcite | CaCO3 |
11 photos of Bromargyrite associated with Native Silver | Ag |
9 photos of Bromargyrite associated with Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1 |
7 photos of Bromargyrite associated with Dioptase | CuSiO3 Β· H2O |
6 photos of Bromargyrite associated with Iodargyrite | AgI |
5 photos of Bromargyrite associated with Chalcocite | Cu2S |
5 photos of Bromargyrite associated with Stromeyerite | AgCuS |
Related Minerals - Strunz-mindat Grouping
3.AA. | Brontesite | (NH4)3PbCl5 |
3.AA.05 | Marshite | CuI |
3.AA.05 | Nantokite | CuCl |
3.AA.05 | UM1999-11:I:CuS | Cu(I,S) |
3.AA.05 | Miersite | (Ag,Cu)I |
3.AA.10 | Tocornalite | (Ag,Hg)I (?) |
3.AA.10 | Iodargyrite | AgI |
3.AA.15 | Chlorargyrite | AgCl |
3.AA.20 | Sylvite | KCl |
3.AA.20 | Halite | NaCl |
3.AA.20 | Villiaumite | NaF |
3.AA.20 | Carobbiite | KF |
3.AA.20 | Griceite | LiF |
3.AA.25 | UM1998-03-Cl:Tl | TlCl |
3.AA.25 | Nataliyamalikite | TlI |
3.AA.25 | Lafossaite | Tl(Cl,Br) |
3.AA.25 | Salammoniac | NH4Cl |
3.AA.30 | Calomel | [Hg2]2+Cl2 |
3.AA.30 | Moschelite | [Hg2]2+I2 |
3.AA.30 | Kuzminite | [Hg2]2+(Br,Cl)2 |
3.AA.35 | Neighborite | NaMgF3 |
3.AA.35 | Parascandolaite | KMgF3 |
3.AA.40 | Javorieite | KFeCl3 |
3.AA.40 | Chlorocalcite | KCaCl3 |
3.AA.45 | Kolarite | PbTeCl2 |
3.AA.50 | Radhakrishnaite | PbTe3(Cl,S)2 |
3.AA.55 | Challacolloite | KPb2Cl5 |
3.AA.60 | Hephaistosite | TlPb2Cl5 |
3.AA.90 | Pseudocotunnite | K2PbCl4 |
Fluorescence of Bromargyrite
None
Other Information
Thermal Behaviour:
Melts at 434Β°.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
Ore of silver.
Internet Links for Bromargyrite
mindat.org URL:
https://www.mindat.org/min-783.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Bromargyrite
Reference List:
Localities for Bromargyrite
Locality List




All localities listed without proper references should be considered as questionable.
Argentina | |
| Mr. Nelson Valenzuela. |
| Victor Sapienza collection |
| Rudashevsky et al. (2018) |
Australia | |
| Graham et al. (2005) |
Gilligan et al. (1993) | |
Gilligan et al. (1993) | |
| England et al. (2019) |
| van der Heyden et al. (1988) +1 other reference |
Day (1998) | |
| Bywater (1987) +1 other reference |
| www.minerals.statedevelopment.sa.gov.au (2017) +1 other reference |
Bolivia | |
| Federico Ahlfeld and Jorge MuΓ±oz Reyes (1955) |
| Federico Ahlfeld y Jorge MuΓ±oz Reyes (1955) |
Chile | |
| "Yacimientos costeros entre Antofagasta ... +2 other references |
"Yacimientos costeros entre Antofagasta ... +2 other references | |
| John Dagenais |
| Samples analysed by Dr. Jochen SchlΓΌter (Hamburg University) |
| Palache et al. (1951) +1 other reference |
Henwood (1871) | |
Henwood (1871) | |
A. Moesta +3 other references | |
Henwood (1871) | |
Moesta (1870) | |
| "GeologΓa del CuadrΓ‘ngulo Paipote" +2 other references |
China | |
| Gongsheng Yan (1987) |
| Guicheng Huang et al. (2001) |
| Zhicheng LΓΌ et al. (2002) +2 other references |
Czech Republic | |
| Scharm +7 other references |
France | |
| Queneau (n.d.) |
| Cuchet et al. (2000) |
| Lacroix (1897) |
Lacroix (1897) +1 other reference | |
| Palache et al. (1951) +1 other reference |
| Favreau et al. (2014) +1 other reference |
Favreau et al. (2014) +1 other reference | |
Germany | |
| Walenta (1995) |
| Wittern (2001) |
| Dietrich et al. (1984) |
| www.mineralienatlas.de (2025) |
| Palache et al. (1951) |
| Wittern (2001) |
| |
Hungary | |
| SzakΓ‘ll: Minerals of RudabΓ‘nya |
Italy | |
| - (n.d.) |
| Italo Campostrini collection |
| Bazzoni et al. (2001) |
Japan | |
| Sorulen et al. (2019) |
| Thomas (2019) |
Jordan | |
| Sokol +9 other references |
Mexico | |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
| Panzcer +1 other reference |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panzcer (1987) | |
Panzcer (1987) | |
Panczner (1987) | |
Panczner (1987) | |
| Panczner (1987) |
| Wilson et al. (1986) +1 other reference |
| Panczner (1987) |
| Panczner (1987) |
| Panczner (1987) |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
| Panczner (1987) |
Panczner (1987) | |
| Panczner (1987) |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
| Panczner (1987) |
Larocque et al. (2008) | |
| Panczner (1987) |
Panczner (1987) | |
| Panczner (1987) |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
| Anthony (1997) |
| Panczner (1987) |
Panczner (1987) | |
| Donald Edward White and Reinaldo Guiza Jr. (1949) |
| Panczner (1987) |
| Panczner (1987) |
| Panczner (1987) |
Panczner (1987) | |
| L 1 (1987) +1 other reference |
| Panczner (1987) |
| Panczner (1987) |
Panczner (1987) | |
| Panczner (1987) |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
Panczner (1987) | |
| Panczner (1987) |
Panczner (1987) | |
| Panczner (1987) |
Panczner (1987) | |
Morocco | |
| Favreau et al. (2006) |
New Zealand | |
| Railton et al. (1990) |
Railton et al. (1990) | |
Railton et al. (1990) | |
Russia | |
| Rogov et al. (2023) |
Rogov et al. (2023) | |
| Kolova et al. (2021) |
| Okrugin et al. (an Example of Mutnovsky Geothermal Area, Southern Kamchatka) |
| Pavel M. Kartashov analytical data of ... |
| Kondratieva et al. (2021) |
| Pavel M. Kartashov analytical data (2012) |
| Azovskova et al. (2013, January) |
| Kuzhuget et al. (2015) |
| Kasatkin et al. (2014) |
Slovakia | |
| VlasΓ‘Δ et al. (2025) |
VlasΓ‘Δ J. et al. (2025) +1 other reference | |
South Africa | |
| Woolf (2023) |
| SAMS (South African Micromount Society) |
Spain | |
| Georges FAVREAU collection & EDX ... |
| Jean Claude Dol collection. |
| Calvo et al. (1992) |
Calvo et al. (1992) | |
| Calvo Rebollar et al. (2024) |
USA | |
| Graeme (1993) |
| Raman/SEM-EDS analysis by Dr. Hexiong ... +1 other reference |
Graeme (1981) | |
Graeme (1981) +2 other references | |
| "The Accidental Pocket" talk presented ... |
| Hampf (1972) |
| Butler et al. (1938b) +1 other reference |
| Raman +1 other reference |
| Endlich (1897) +4 other references |
Williams (1978) +1 other reference | |
Rob Bowell | |
Rob Bowell | |
| Favreau (n.d.) |
Williams (1980) | |
Anthony et al. (1995) | |
| Wenrich (1989) +1 other reference |
| Hamilton (1881) |
| Dana 7:II:14. +2 other references |
| Anthony et al. (1995) |
Anthony et al. (1995) | |
| Anthony et al. (1995) |
| Garrett (1938) |
| Hamilton (1881) |
| Jensen (2012) |
| Josef Vajdak (2002) |
| - (1915) |
| Schrader (1915) |
| Schrader (1915) |
| Schrader (1915) |
| Galbraith (1959) +1 other reference |
Lindgren (1926) +1 other reference | |
| Pemberton (1983) +1 other reference |
| Adams (2010) |
| Troxel et al. (1962) +3 other references |
Troxel et al. (1962) +1 other reference | |
| Bateson (1905) +2 other references |
| R.M. Housley and R.E. Reynolds (2002) |
| Wright et al. (1953) +2 other references |
| Lindgren (1887) +4 other references |
| Wright et al. (1953) +2 other references |
| Wright et al. (1953) +1 other reference |
| www.mineralsocal.org (1999) |
Collected by and in the collection of ... | |
Collected by and in the collection of ... | |
Collected by and in the collection of ... | |
Thorne (n.d.) | |
| Tucker et al. (1943) +3 other references |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
- (2005) | |
Eckel et al. (1997) | |
- (2005) | |
Eckel et al. (1997) | |
Eckel et al. (1997) | |
| - (2005) |
| Anthony (1997) |
| Eckel et al. (1997) |
| - (2005) |
- (2005) | |
| Shannon et al. (1985) |
| J.Attard analysis of M.M.Judy specimen (2015) |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Ream (1995) |
| www.mineralnews.com (2002) |
| - (2005) |
| Winchell (1914) |
| NBMG Bull 83 Geology and Mineral ... |
Castor et al. (2004) | |
| Haynes (2007) |
Longwell et al. (1965) | |
Castor et al. (2004) | |
| Castor et al. (2004) |
Castor et al. (2004) | |
LaPointe et al. (199) | |
| NBMG Bull 78 Geology and Mineral ... |
- (2005) | |
| Castor et al. (2004) |
| NBMG Bull 64 Geology and Mineral ... |
| Castor et al. (2004) |
| Castor et al. (2004) |
| NBMG Bull 73 Geology and Mineral ... |
- (2005) | |
| - (2005) |
Castor et al. (2004) | |
| Castor et al. (2004) |
| Castor et al. (2004) +1 other reference |
| Castor et al. (2004) |
| J.V. Tingley and J. Quade (1986) +1 other reference |
| - (2005) |
| Castor et al. (2004) |
| - (1976) |
Castor et al. (2004) | |
| NBMG Bull 14 +1 other reference |
| Castor et al. (2004) +1 other reference |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
| Anthony (1997) |
Rocks & Minerals 83:1 pp 34-43 +2 other references | |
| 2009 New Mexico Mineral Symposium ... +1 other reference |
2009 New Mexico Mineral Symposium ... | |
| Rocks & Minerals 83:1 pp 34-43 +1 other reference |
2009 New Mexico Mineral Symposium ... | |
Walstrom (n.d.) | |
| DeMark (2004) |
Min News 20:10 p 8 | |
| R&M 77:5 p298-305 +1 other reference |
Twenty-fourth Annual New Mexico Mineral ... | |
R&M 77:5 p298-305 | |
| Bob Walstrom field-collected specimens (See: www.mindat.org/mesg-11-338828.html ) +1 other reference |
| Walstrom (n.d.) |
| Walstrom (n.d.) |
Walstrom (n.d.) | |
| Northrop et al. (1996) |
| Walstrom (n.d.) |
Jerry Cone Collection | |
Walstrom (n.d.) +1 other reference | |
| geoinfo.nmt.edu (n.d.) +1 other reference |
| Jerry A. Baird |
| Northrop et al. (1996) |
- (2005) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
Northrop et al. (1996) | |
| - (2005) |
- (2005) | |
Harley (1934) +1 other reference | |
- (2005) | |
| Harley (1934) |
Harley (1934) +1 other reference | |
- (2005) | |
| Northrop et al. (1996) |
Northrop et al. (1996) | |
Northrop et al. (1996) | |
| Northrop et al. (1996) |
Northrop et al. (1996) | |
| R&M 66:1 p56-63 |
Personal communication between Erin ... | |
collected by and collection of Jay Penn | |
| Loomis (2011) |
Smith et al. (2000) | |
| Smith (1991) |
| Smith (1991) |
Alminas +2 other references | |
| Marty et al. (1993) |
| Cannon (1975) +1 other reference |
| p.35 +4 other references |
| Cannon (1975) +1 other reference |
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Clara Mine, Oberwolfach, Ortenaukreis, Freiburg Region, Baden-WΓΌrttemberg, Germany