Ardaite
| Ardaite | |
|---|---|
Ardaite associated with galena, Madjarovo polymetallic ore deposit, National Museum of Natural History, Bulgaria | |
| General | |
| Category | Sulfosalt minerals, Lead minerals |
| Formula | Pb19Sb13S35Cl7 |
| IMA symbol | Ada |
| Strunz classification | 2.LB.30 (10 ed) 2/E.19-20 (8 ed) |
| Dana classification | 02.15.01.01 |
| Crystal system | Monoclinic Unknown space group |
| Identification | |
| Color | Greenish gray or bluish green |
| Mohs scale hardness | 2.5-3 |
| Luster | Metallic |
| Density | 6.44 |
| Pleochroism | Weak |
| References | Breskovska, V. V.; Mozgova, N. N.; Bortnikov, N. S.; Gorshkov, A. I.; Tzepin, A. I. (1982), "Ardaite, a new lead-antimony chlorsulphosalt" (PDF), Mineral. Mag., 46 (340): 357–361, Bibcode:1982MinM...46..357B, doi:10.1180/minmag.1982.046.340.10, S2CID 128756669 |
Ardaite is a very rare sulfosalt mineral with chemical formula Pb19Sb13S35Cl7 in the monoclinic crystal system, named after the Arda River, which passes through the type locality.