Boromuscovite
SOLD
Boromuscovite
- Sold
- Add to Favorites
- Availability
- Sold
- Size
- Chip < 1cm
- Formula
- KAl2(Si3B)O10(OH)2 (RRUFF)
- Locality
- Little Three mine, San Diego Co., California, United States
Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Dioctahderal. Perhaps the only mica with essential boron, which subtitutes for aluminum in the silicate tetrahedron. For more information on Mica minerals and other phyllosilicates please reference our article - Click Here.
Originally found at this locality as an alteration coating after pocket rupture (Handbook of Mineralogy).
This is a small 4mm piece.
Type Locality
Boromuscovite
- Formula
- KAl2(Si3B)O10(OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Crystalline - Fine, Massive - Fibrous
- Cleavage
- Perfect, None, None
- Luster
- Vitreous - Dull
- Color
- white, beige white
- Streak
- white
- Class
- Monoclinic - Prismatic
- Hardness
- 2.5-3
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Special Info
- Type Locality
- Mineralpedia
- View Boromuscovite
- On Dakota Matrix
- Previously Sold Boromuscovite
- On Dakota Matrix
- Other Available Boromuscovite
- WebMineral
- View Boromuscovite
- Mindat
- View Boromuscovite
