Orpiment

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Orpiment
El'brusskiy Arsenic mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

Item-No.: MINS1227
Price: 39.00 EUR 
Orpiment
El'brusskiy Arsenic mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

Item-No.: MINS1226
Price: 39.00 EUR 
Orpiment
El'brusskiy Arsenic mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

Item-No.: MINS1248
Price: 12.00 EUR 
Orpiment, Realgar
Getchell Mine, Humbolds Co. Nevada, USA

Item-No.: MINS1136
Price: 65.00 EUR 
Orpiment, Realgar
Cavnic, Munti Metalifory, Romania

Item-No.: MINS1613
Price: 38.00 EUR 
Orpiment, Realgar
Getchell Mine, Humbolds Co. Nevada, USA

Item-No.: MINS2471
Price: 75.00 EUR 
Realgar, Orpiment
Cavnic, Munti Metalifory, Romania

Item-No.: MINS732
Price: 28.00 EUR 

Synonyms:  Arrhenicum, Operment, Oropiment, Yellow Arsenic, Yellow Ratsbane
Classification:  Sulfides
Chemical formula:  As2S3
Crystal system:  Monoclinic
Density (g/cm3):  3,49 Measured, 3,48 Calculated
Tenacity:  Sectile
Cleavage:  Perfect, perfect {010} imperfect {100}
Hardness (Mohs):  1,5 - 2
Colour:  Orange-yellow to lemon-yellow
Lustre:  Pearly
Streak:  Light lemon yellow
Application:  Arsenic ore, Pigment in dyeing industry

 


 

 


 

 
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Dr. Petr Zajicek
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