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Lepidolite

#PD34723
SOLD
Lepidolite from Harding mine, Taos Co., New Mexico, United States - PD34723
Lepidolite from Harding mine, Taos Co., New Mexico, United States - PD34723

Lepidolite

#PD34723
Availability
Sold
Size
6 x 5 x 3.5 cm - Sm Cabinet 
Formula
K(Li,Al)3(Si,Al)4O10(F,OH)2 (RRUFF)
Locality
Harding mine, Taos Co., New Mexico, United States

Phyllosilicate - Monoclinic - Mica group member. Ordinary (True or Common) Mica - Trioctahedral Lepidolite lies on or close to the Trilithionite - Polylithionite join and is a light mica with substantial lithium.  Contain fluorine in the (A) position. For more information on Mica minerals and other phyllosilicates please reference our article - Click Here.

Can be easily distinguished from regular mica by the flame test for lithium.

Found in complex zoned pegmatites.  Potassium is often replaced by Na, Rb, and Cs.

Nice purplish pink, crystalline mass.

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
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Previously Sold Lepidolite
On Dakota Matrix
Other Available Lepidolite
WebMineral
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