Fuchsite
Fuchsite is a green chrome-containing variety of Muscovite.
| General Information | ||||||||||||||||||
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| A variety or type of: | Muscovite | |||||||||||||||||
| Varieties/Types: | Verdite - A green ornamental stone, primarily an impure Fuchsite from South Africa. | |||||||||||||||||
| Chemical Formula |
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| Physical Properties of Fuchsite | ||||||||||||||||||
| Mohs Hardness | 2.5, Handbook of Mineralogy (2001) | |||||||||||||||||
| Specific Gravity | 2.77 to 2.88, Handbook of Mineralogy (2001) | |||||||||||||||||
| Cleavage Quality | Perfect, Handbook of Mineralogy (2001) | |||||||||||||||||
| Optical Properties of Fuchsite | ||||||||||||||||||
| Refractive Index | 1.552 to 1.618, Handbook of Mineralogy (2001) | |||||||||||||||||
| Optical Character | Biaxial/-, Handbook of Mineralogy (2001) | |||||||||||||||||
| Colour | ||||||||||||||||||
| Colour (General) | Green, greenish, Management Team (2012) | |||||||||||||||||
| Causes of Colour | Greenish colour, high in chromium (trivalent Cr replaces Al in the crystal structure), Management Team (2012) | |||||||||||||||||
| Transparency | Transparent,Translucent, Handbook of Mineralogy (2001) | |||||||||||||||||
| Lustre | Vitreous,Silky,Pearly, Handbook of Mineralogy (2001) | |||||||||||||||||
| Crystallography of Fuchsite | ||||||||||||||||||
| Crystal System | Monoclinic, Handbook of Mineralogy (2001) | |||||||||||||||||
| Further Information | ||||||||||||||||||
| Mineral information: | Fuchsite information at mindat.org | |||||||||||||||||