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Andalusite var. chiastolite

#BM43003
SOLD
Andalusite from Auld Lang Syne mine, Sierra dist., Pershing Co., Nevada, United States - BM43003
Andalusite from Auld Lang Syne mine, Sierra dist., Pershing Co., Nevada, United States - BM43003

Andalusite var. chiastolite

#BM43003
Availability
Sold
Size
2 x 1.5 x 2 cm - Thumbnail 
Formula
Al2OSiO4 (RRUFF)
Locality
Auld Lang Syne mine, Sierra dist., Pershing Co., Nevada, United States

Cut Andalusite showing cross-shaped pattern created by inclusions of Graphite. 

Andalusite

Formula
Al2OSiO4 
Crystal System
Orthorhombic 
Crystal Habit
Blocky, Prismatic, Euhedral Crystals 
Cleavage
Distinct, Indistinct, Poor 
Luster
Vitreous (Glassy) 
Color
dark green, gray, brown, red, green 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Splintery 
Hardness
6.5-7 

Data courtesy of Webmineral.

Collection
McConlogue Collection
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