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0 item @ $0.00  

Bityite

#7929

Bityite

#7929
Availability
Sold
Size
7 x 3.5 x 3.5 cm - Sm Cabinet 
Formula
CaLiAl2(Si2BeAl)O10(OH)2 (RRUFF)
Locality
Harding mine, Taos Co., New Mexico, United States
Tagged
beryllium , pegmatite mineral

Bityite is a rather rare mica group member with lithium and beryllium in the structure. It is not called Bityite for its little itty bitty crystals as some believe. These crystals are rather large measuring up to 5mm as colorless plates within biotite.

Bityite

Formula
CaLiAl2(Si2BeAl)O10(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Encrustations, Platy, Pseudo Hexagonal 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brown white, colorless, yellow, pearl white 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
5.5 

Data courtesy of Webmineral.

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