Schist
A rock classification type
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About Schist
A medium-grained strongly-foliated crystalline metamorphic rock, formed by dynamic metamorphism, that can be readily split into thin flakes or slabs due to the well developed parallelism of more than 50% of the minerals present, particularly those of lamellar or elongate prismatic habit, e.g., mica and hornblende. The mineral composition is not an essential factor in its definition unless specifically included in the rock name, e.g. quartz-muscovite schist. Varieties may also be based on general composition, e.g. calc-silicate schist, mafic schist; or on texture, e.g., spotted schist.
See also: magnesian schist, pelitic schist
Compare with: paraschist
Ref: AGI
See also: magnesian schist, pelitic schist
Compare with: paraschist
Ref: AGI
Unique Identifiers
Mindat ID:
48640
Long-form identifier:
mindat:1:1:48640:0
Classification of Schist
- Rock
- Metamorphic rock
- Schist
- Metamorphic rock
Sub-divisions of Schist
- Schist
- Amphibole schist
- Chloritoid schist
- Khondalite
- Kyanite schist
- Quartz mica chiastolite schist
- Quartz-sillimanite schist
- Spotted schist
- Talc schist
- Greenschist
- Paraschist
- Orthoschist
- Blueschist
- Whiteschist
- Chlorite schist
- Graphite schist
- Feldspar schist
- Mica schist
- Serpentine schist
- Quartz schist
- Quartz-mica-carbonate schist
- Carbonate-silicate schist
- Hornfelsed schist
- Lineated schist
- Bibliolite
Synonyms of Schist
Other Language Names for Schist
French:Schiste
German:Kristalline Schiefer
Schiefer
Schiefer
Common Associates
Associated Minerals Based on Photo Data:
| 15 photos of Schist associated with Almandine | Fe2+3Al2(SiO4)3 |
| 8 photos of Schist associated with Ottrélite | Mn2+Al2O(SiO4)(OH)2 |
| 6 photos of Schist associated with Muscovite | KAl2(AlSi3O10)(OH)2 |
| 6 photos of Schist associated with Quartz | SiO2 |
| 5 photos of Schist associated with Pegmatitic granite | |
| 5 photos of Schist associated with Garnet Group | X3Z2(SiO4)3 |
| 5 photos of Schist associated with Pegmatite | |
| 3 photos of Schist associated with Marble | |
| 3 photos of Schist associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| 2 photos of Schist associated with Malachite | Cu2(CO3)(OH)2 |
Internet Links for Schist
mindat.org URL:
https://www.mindat.org/min-48640.html
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References for Schist
Reference List:
Porh Morvil creek, Primiture, Groix, Lorient, Morbihan, Brittany, France