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Alleghanyite with Pyroxmangite

#PD51823

Alleghanyite with Pyroxmangite

#PD51823
Availability
Sold
Size
4 x 2 x 2 cm - Miniature 
Formula
Mn2+5(SiO4)2(OH)2 (RRUFF)
Locality
Sunnyside mine, Silverton, San Juan Co., Colorado, United States

Light brown micro crystals filling vugs in Pyroxmangite.

Alleghanyite

Formula
Mn2+5(SiO4)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Lamellar, Granular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
white, brown, bright pink, grayish pink 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
6-5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection

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