Realgar
Orpiment
Item-No.: MINS6505 Price: 22.00 EUR
Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
Orpiment
Item-No.: MINS6506 Price: 24.00 EUR
Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
Orpiment
Item-No.: MINS6507 Price: 20.00 EUR
Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
Orpiment, Realgar
Item-No.: MINS1613 Price: 48.00 EUR
Cavnic, Munti Metalifory, Romania
Orpiment, Realgar
Item-No.: MINS6504 Price: 27.00 EUR
Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
| Synonyms: | Eolite, Realgarite, Red Arsenic, Red Orpigment, Risigallo, Risigallum, Ruby Sulphur, Sandaracha |
| Classification: | Sulfides |
| Chemical formula: | AsS |
| Crystal system: | Monoclinic |
| Density (g/cm3): | 3,56 measured , 3,59 calculated |
| Tenacity: | Sectile, slightly brittle |
| Cleavage: | Good on {010}, less good on {100}, {101}, {120}, {110} |
| Fracture: | Sub-conchoidal |
| Hardness (Mohs): | 1,5 - 2 |
| Colour: | Dark red to orange-red |
| Lustre: | Resinous, greasy |
| Streak: | Orange-red to red |
| Warning: | Realgar is toxic! Decomposes to orange pararealgar with exposure to light |
| Application: | Pyrotechnic article, pesticide production |