Orpiment

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, 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 

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