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Piemontite

#AH53270
SOLD
Piemontite from Pilar, Taos Co., New Mexico, United States - AH53270
Piemontite from Pilar, Taos Co., New Mexico, United States - AH53270

Piemontite

#AH53270
Availability
Sold
Size
5 x 3.5 x 3.5 cm - Miniature 
Formula
Ca2Mn3+Al2(Si2O7)(SiO4)O(OH) (RRUFF)
Locality
Pilar, Taos Co., New Mexico, United States

Cherry red 1-3mm crystals in Quartz vein.

Piemontite

Formula
Ca2Mn3+Al2(Si2O7)(SiO4)O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Blocky, Prismatic, Massive - Granular 
Cleavage
Good, Distinct, None 
Luster
Vitreous (Glassy) 
Color
yellow, carmine red, red, reddish brown, reddish black 
Streak
red 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
6-7 

Data courtesy of Webmineral.

Collection
Arnold G. Hampson Collection
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