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Alleghanyite with Galaxite

#PD32830

Alleghanyite with Galaxite

#PD32830
Availability
Sold
Size
3.5 x 2 x 2.5 cm - Miniature 
Formula
Mn2+5(SiO4)2(OH)2 (RRUFF)
Locality
Bald Knob, Alleghany Co., North Carolina, United States

Reddish crystal grains to less than 1mm scattered throughout matrix with Galaxite. Note old Ward's label.

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
Phillips Collection

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