Lepidolite transitional member
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Lepidolite transitional member
- Sold
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- Availability
- Sold
- Size
- 5 x 4 x 2.5 cm - Miniature
- Formula
- K(Li,Al)3(Si,Al)4O10(F,OH)2 (RRUFF)
- Locality
- Zambezia prov., Mozambique
Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahdera. For more information on Mica minerals and other phyllosilicates please reference our article - Click Here.
Lepidolite falls on or close to the Trilithionite - Polylithionite join and is a light mica with substantial lithium. Contain fluorine in the (A) position.
Can be easily distinguished from rgular mica by the flame test for lithium.
Found in complex zoned pegmatites. Potassium is often replaced by Na, Rb, and Cs.
This specimen is all Lepidolite, with compact elongated pink crystals.
Lepidolite
- Formula
- K(Li,Al)3(Si,Al)4O10(F,OH)2
- Crystal System
- Monoclinic
- Crystal Habit
- Platy, Foliated, Massive
- Cleavage
- Perfect, None, None
- Luster
- Vitreous - Pearly
- Color
- colorless, gray white, lilac, yellowish, white
- Streak
- white
- Class
- Monoclinic
- Fracture
- Uneven
- Hardness
- 2.5-3
Data courtesy of Webmineral.
- Collection
- Phillips Collection
- Mineralpedia
- View Lepidolite
- On Dakota Matrix
- Previously Sold Lepidolite
- On Dakota Matrix
- Other Available Lepidolite
- WebMineral
- View Lepidolite
- Mindat
- View Lepidolite
