Mcbirneyite
| Mcbirneyite | |
|---|---|
| General | |
| Category | Vanadate minerals |
| Chemical formula | Cu3(VO4)2 |
| Strunz classification | 08.AB.35 |
| Dana classification | 38.3.10.1 |
| Crystal symmetry | 1 - Triclinic |
| Z | 1 |
| Identification | |
| Molar mass | 420.52 g/mol |
| Color | dark grey or black |
| Crystal system | Triclinic |
| Mohs scale hardness | 1½ |
| Luster | metallic |
| Streak | greyish black |
| Diaphaneity | opaque |
| Density | 4.47 g/cm3 |
| References | [1][2][3] |
Mcbirneyite is a vanadate mineral, a mixed vanadium and copper oxide, with formula Cu3(VO4)2.
The type specimen was discovered at the Izalco volcano (13° 48′ 47″ N, 89° 37′ 59″ W), El Salvador, in 1984.[1][2] It has also been found at the Tolbachik volcano (55° 49′ 48″ N, 160° 19′ 48″ E) in Kamchatka in the Russian Far East.[2]
Mcbirneyite is named after Alexander Robert McBirney (born 1924), a vulcanologist at the University of Oregon.[1]
References
- ↑ 1.0 1.1 1.2 Mcbirneyite, <http://webmineral.com/data/Mcbirneyite.shtml> (accessed 2 December 2009), WebMineral.com.
- ↑ 2.0 2.1 2.2 Mcbirneyite, <http://www.mindat.org/show.php?id=2611> (accessed 2 December 2009), MinDat.org.
- ↑ Coing-Boyat, J. Structure de la variété ordinaire, triclinique, de l'orthovanadate de cuivre(II), Cu3(VO4)2. Acta Crystallogr., Sect. B: Struct. Sci. 1982, B38 (5), 1546–48. DOI: 10.1107/S0567740882006323.
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