Muscovite with Lepidolite
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Muscovite with Lepidolite
- Sold
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- Availability
- Sold
- Size
- 10 x 6.5 x 4 cm - Cabinet
- Formula
- KAl2(Si3Al)O10(OH)2 (RRUFF)
- Locality
- Minas Gerais, Brazil
- Tagged
- pegmatite
This is an example example of pegmatitic fluid compositional changes recorded in the growth of crystals. The specimen is essentially a core of muscovite with an outer zone of lithium rich lepidolite.
Muscovite
- Formula
- KAl2(Si3Al)O10(OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Massive - Lamellar, Foliated, Micaceous
- Cleavage
- Perfect, None, None
- Luster
- Vitreous (Glassy)
- Color
- white, gray, silver white, brownish white, greenish white
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle - Sectile
- Hardness
- 2-2.5
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Mineralpedia
- View Muscovite
- On Dakota Matrix
- Previously Sold Muscovite
- On Dakota Matrix
- Other Available Muscovite
- WebMineral
- View Muscovite
- Mindat
- View Muscovite
