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0 item @ $0.00  

Orientite

#PD40129

Orientite

#PD40129
Availability
Sold
Size
5 x 3 x 3 cm - Miniature 
Formula
Ca8Mn3+10(SiO4)3(Si3O10)3(OH)10·4H2O (RRUFF)
Locality
Manganese mine, Copper Harbor, Keweenaw Co., Michigan, United States

Very rich specimen loaded with rusty red fibrous radial crystals. Excellent piece.

Orientite

Formula
Ca8Mn3+10(SiO4)3(Si3O10)3(OH)10·4H2
Crystal System
Orthorhombic 
Crystal Habit
Radial, Prismatic 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
brown, black 
Streak
brown 
Class
Orthorhombic - Dipyramidal 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Phillips Collection
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