Orpiment
Orpiment
Item-No.: MINS1227 Price: 39.00 EUR
El'brusskiy Arsenic mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
Orpiment
Item-No.: MINS1226 Price: 39.00 EUR
El'brusskiy Arsenic mine, Elbrus Mt, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
Orpiment, Realgar
Item-No.: MINS1613 Price: 38.00 EUR
Cavnic, Munti Metalifory, Romania
| 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 |