Paceite
| Paceite | |
|---|---|
| General | |
| Category | Organic minerals, Hoganite series |
| Chemical formula | CaCu(CH3COO)4·6H2O |
| Strunz classification | 10.AA.30 |
| Dana classification | 50.02.07.02 |
| Crystal symmetry | 4/m |
| Identification | |
| Color | dark blue |
| Crystal habit | encrustations |
| Crystal system | tetragonal |
| Cleavage | perfect on {100} and {110} |
| Fracture | brittle |
| Mohs scale hardness | 1½ |
| Luster | vitreous |
| Streak | pale blue |
| Diaphaneity | transluscent |
| Specific gravity | 1.47 (calc.) |
| Solubility | soluble |
| References | [1][2][3] |
Paceite , formerly known as IMA2001-030, is the mineral form of calcium copper acetate.[1][2] It is named after Frank L. Pace (born 1948), an amateur mineral collector who discovered it at the Potosi mine in Broken Hill, N.S.W., Australia (31° 57′ S, 141° 27′ E) in 2001.[4] The identity and name of the mineral were approved by the International Mineralogical Association (IMA) in 2002.
It is a secondary mineral, formed by the interaction of other calcium- and copper-bearing minerals with decaying leaf litter.[1]
See also
References
- ↑ 1.0 1.1 1.2 Paceite, <http://webmineral.com/data/Ludwigite.shtml> (accessed 4 December 2009), WebMineral.com.
- ↑ 2.0 2.1 Paceite, <http://www.mindat.org/show.php?id=10918> (accessed 4 December 2009), MinDat.org.
- ↑ Klop, E. A.; Duisenberg, A. J. M.; Spek, A. L. Reinvestigation of the structure of calcium copper acetate hexahydrate, CaCu(C2H3O2)4·6H2O. Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 1983, 39, 1342–44.
- ↑ Hibbs, D. E.; Kolitsch, U.; Leverett, P.; Sharpe, J. L.; Williams, P. A. Hoganite and paceite, two new acetate minerals from the Potosi mine, Broken Hill, Australia. Mineralogical Magazine 2002, 66, 459–64.
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