Fuchsite
| Fuchsite | ||
|---|---|---|
Specific gravity 2.8–2.9 | | |
| Optical properties | Biaxial (–) | |
| Refractive index | 1.552–1.615 | |
| Birefringence | 0.036 | |
| Dispersion | weak | |
| References | [1] | |
Fuchsite, also known as chrome mica, is a
phyllosilicate minerals, with the chemical formula K(Al,Cr)2(AlSi3O10)(OH)2.[2]
metamorphic rocks of the greenschist facies
.
Verdite is a type of metamorphic rock made mostly of an impure, often multicolored, variety of fuchsite. It is used for ornamental carvings.
Fuchsite is named after the German chemist and mineralogist Johann Nepomuk von Fuchs.
Properties
Fuchsite crystallizes in the
UV light. Fuchsite's radioactivity due to its potassium
(K) content is barely detectable.
References
Wikimedia Commons has media related to Fuchsite.
- ISBN 978-0-7566-3342-4.
- ^ "Fuchsite". Mindat.org.