Meneghinite
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Meneghinite | |
---|---|
Category | Sulfosalt minerals, Lead minerals |
Chemical formula | CuPb13 Sb7S24 |
Identification | |
Color | Blackish lead-grey |
Crystal system | Orthorhombic |
Cleavage | one perfect |
Fracture | conchoidal |
Tenacity | Brittle |
Mohs Scale hardness | 2½ |
Luster | Metallic |
Pleochroism | Weak |
Streak | Black shining |
Meneghinite is a sulphosalt mineral with the chemical formula CuPb13 Sb7S24.[1]
In the orthorhombic crystal system, meneghinite has a Mohs hardness of 2½, one perfect cleavage and a conchoidal fracture. It is a blackish lead-grey in colour and gives a black shining streak. Its lustre is metallic.[1]
Discovered in the Italian Province of Lucca in 1852[1], it is named after Giuseppe Meneghini (1811-1889) of the University of Pisa, who first observed the species.[2] The Bottino Mine in Lucca is the type locality.[1]
[edit] References
- ^ a b c d Mindat information page for Meneghinite
- ^ (2007) "Meneghinite", in The Brown Reference Group plc: Treasures of the Earth. De Agostini UK Ltd. ISBN 0748979956.