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Meneghinite

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]

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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]

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.