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0 item @ $0.00  

Orpiment

#PD30963

Orpiment

#PD30963
Availability
Sold
Size
5.5 x 6.5 x 4.5 cm - Sm Cabinet 
Formula
As2S3 (RRUFF)
Locality
Herja mine, Baia Mare, Maramures Co., Romania
Tagged
sulfide

Hemispherical aggregates of yellow-brown Orpiment to 4mm with radial internal patterns in cross section set on Quartz and sulfide rich matrix. This is an old timer that comes with a labe from the Mineral Department of the British Museum and there is a tag with the catalogue number 7292 that matches the label..

Antique Specimen

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
Antique Specimen

Collection label from the Mineral Dept, British Museum

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