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Lepidolite with Spodumene

#48451

Lepidolite with Spodumene

#48451
Availability
Sold
Size
8 x 7 x 6 cm - Sm Cabinet 
Formula
K(Li,Al)3(Si,Al)4O10(F,OH)2 (RRUFF)
Locality
Harding mine, Taos Co., New Mexico, United States

Coarse lilac Lepidolite with several blades of Spodumene.

All of the Lepidolites in this Daily Five are from the Dr. David London collection. London wrote the book "Pegmatites", and is considered an authority on the formation of these interesting and incredibly mineralized geologic deposits. 

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
Dr. David London Collection

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