Realgar
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, Ulexite
Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
Item-No.: MINS2110
Price: 7.00 EUR
| 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 |