Chanabayaite
A variety of Minerals
What is Chanabayaite?
Chanabayaite is the first recognized triazolate mineral, having the formula Cu2(N3C2H2Cl(NH3,Cl,H2O,[])4. Minor iron admixture is also present. It is also one of a few currently known minerals containing ammine groups, including also ammineite, joanneumite and shilovite. All the minerals are rare and were found in a single guano deposit in Chile, called Pabellón de Pica. A similar natural phase, formula NaCu2Cl3[N3C2H2]2[NH3]2•4H2O, likely a precursor of chanabayaite, is described by Zubkova et al. 2016.
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Key Characteristics
Formation of Chanabayaite
Three suggested processes account for the formation of chanabayaite: leaching of sodium from the precursor phase leaching of chlorine from the precursor phase partial dehydratation of the precursor phase
Composition of Chanabayaite
The main features of the crystal structure of chanabayaite are: copper forms octahedra, part of which share corners 1,2,4-triazolate anions link the octahedra
Quick Facts
Physical Properties
- Color
- Blue
- Hardness (Mohs)
- 2
- Density
- 1.464 g/cm³
Chemical Properties
- Chemical Formula
- CuCl(N3C2H2)(NH3)·0.25H2O Formula from type description: Cu2(N3C2H2)2Cl(NH3,Cl,H2О,□)4
- Elements
- C, Cl, Cu, H, N, O
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