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Orpiment

#33697
SOLD
Orpiment from Twin Creeks mine, Humboldt Co., Nevada, United States - 33697
Orpiment from Twin Creeks mine, Humboldt Co., Nevada, United States - 33697

Orpiment

#33697
Availability
Sold
Size
5 x 4 x 4 cm - Miniature 
Formula
As2S3 (RRUFF)
Locality
Twin Creeks mine, Humboldt Co., Nevada, United States
Tagged
sulfide

Cluster of saturated gemmy-orange Orpiment crystals to 1cm, with a beautiful adamantine luster and slight striations on a plastic stand. 

These Orpiments from Twin Creeks are a staple for collectors of minerals from Nevada and the US desert southwest.

Classic Locality

Orpiment

Formula
As2S3 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Massive - Fibrous, Foliated 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
lemon yellow, brownish yellow, orange yellow 
Streak
pale yellow 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
1.5-2 

Data courtesy of Webmineral.

Special Info
Classic Locality
Mineralpedia
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