Had no idea so i used google lol
Zinnwaldite - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Zinnwaldite
Zinnwaldite, KLiFeAl(AlSi3)O10(OH,F)2, potassium lithium iron aluminium silicate hydroxide fluoride is a silicate mineral in the mica group. The IMA status is as ...
Color: Gray-brown, yellow-brown, pale ...
Optical properties: Biaxial (-)
Formula (repeating unit): KLiFeAl(AlSi3)...
Streak: White
Images for zinnwalditemce-anchorReport images
More images for zinnwaldite
Add to My Watchlist
What is My Watchlist?