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0 item @ $0.00  

Zinnwaldite

#52685

Zinnwaldite

#52685
Availability
Sold
Size
7 x 6 x 4 cm - Sm Cabinet 
Formula
K(Al,Fe,Li)3(Si,Al)4O10(OH)F (RRUFF)
Locality
Zinnwald, Erzgebirge, Bohemia, Czech Republic

Hexagonal plates of Zinnwaldite in a tightly packed cluster. 

Zinnwaldite

Formula
KLiFe++Al(AlSi3)O10(F,OH)2 
Crystal System
Monoclinic 
Crystal Habit
Pseudo Hexagonal, Micaceous, Platy 
Cleavage
Good, None, None 
Luster
Vitreous - Pearly 
Color
light brown, silvery white, gray, yellowish white, greenish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
3.5-4 

Data courtesy of Webmineral.

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