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Kinoshitalite with Gillespite, Sanbornite etc

#PD42210

Kinoshitalite with Gillespite, Sanbornite etc

#PD42210
Availability
Sold
Size
3.5 x 2 x 1.5 cm - Miniature 
Formula
BaMg3(Si2Al2)O10(OH)2 (RRUFF)
Locality
Trumbull Peak, Mariposa Co., California, United States

Golden thin mica flakes throughout matrix of Sanbornite and Gillespite (red). Kinoshitalite is a rare member of the mica group.

Kinoshitalite

Formula
BaMg3(Si2Al2)O10(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Scaly 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow brown, colorless 
Streak
yellow white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
2.5-3 

Data courtesy of Webmineral.

Collection
Phillips Collection

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