| Name: | Muscovite Ms |
| Specimens in Collection: |  #771: Muscovite Panasquiera Mine, Portugal  #1535: Beryl var. Aquamarine / Microcline / Muscovite Sichuan Province, China  #55: Muscovite Mica Minas Gerais, Brazil |
| IMA Chemistry: | KAl2(Si3Al)O10(OH)2 |
| Chemistry Elements: | The mineral Muscovite contains elements: Potassium (K) Aluminum (Al) Silicon (Si) Oxygen (O) Hydrogen (H) |
| Country of Type Locality: | unknown |
| Year First Published: | 1850 |
| IMA Status: | Approved |
| Status Notes: | Previously known under related names like muscovy glass, but the current name was introduced in this publication: Dana J D (1850) Mica Family: Muscovite, in A System of Mineralogy, Third Edition, George P Putnam (New York) 356-358 |
| Structural Group Name: | Mica, Clay |
| Fleischer's Group Name: | mica-true micas |
| Crystal Systems: | monoclinic|hexagonal, triclinic |
| Oldest Known Age: | 4000 Million Years Ago |
| Mohs Hardness: | 2.1 |
| Diaphaneity: | 2.0 |
| Specific Gravity: | 2.88 |
| More Info: | Search Wikipedia: Muscovite (Wiki) Search Mindat: Muscovite Search Web Mineral DB: Muscovite |