Kammererita
Kammererita is a mineral with formula Mg5(Al,Cr)2Si3O10(OH)8, in the Silicatos (Filosilicatos) group. This specimen comes from Kop Krom, Kop Daglari, Aşkale, Erzurum, Turquía.
Description
Electric magenta kammererite on dark matrix. Main crystal 5 mm on a druse of smaller crystals. Crystals stand in relief and show sparkle, with well-defined faces.
History of this specimen
Comes from a German collection, 1960–70.
About Kammererita
Kammererite is the chromium-rich variety of clinochlore.
About the locality
Kop Krom is the classic locality for well-crystallised kammererite on chromite.
Technical data
- Catalogue No.
- 0674
- Composition
- Mg5(Al,Cr)2Si3O10(OH)8
- Name
- Kammererita
- Group
- Silicatos (Filosilicatos)
- Matrix
- cromita
- Mine
- Kop Krom
- District / Municipality
- Kop Daglari
- Province
- Aşkale
- Region
- Erzurum
- Country
- Turquía
- Ex-collection
- Coleccionista alemán
- Etymology
- Named in honour of August Alexander Kämmerer (1789–1849), a Russian-German chemist and mineralogist.
- Quality
- Muy buena
- Value trend
- Al alza