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> Minerals
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Realgar
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| Orpiment, Realgar
 Getchell Mine, Humbolds Co. Nevada, USA
Item-No.: MINS1136
Price: 65.00 EUR
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| Orpiment, Realgar
Cavnic, Munti Metalifory, Romania
Item-No.: MINS1613
Price: 38.00 EUR
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| Orpiment, Realgar
Getchell Mine, Humbolds Co. Nevada, USA
Item-No.: MINS2471
Price: 75.00 EUR
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| Realgar, Ulexite
Kramer Borate deposit, Boron, Kramer District, Kern Co., California, USA
Item-No.: MINS2110
Price: 7.00 EUR
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| 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 |
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