Bindheimite, Bournonite

Specimen ID: F64-1VN

Mineral(s)
Bindheimite : Pb2Sb2O6O
Bournonite : PbCuSbS3
Locality
Mindat locality:
Dimensions
6cm x 5.2cm x 4.6cm
Events

Photo added to mindat.org

6.0 x 5.2 x 4.6 cm. This is a very old specimen from the noted classics collection of Phil Scalisi, featuring floating crystals of bournonite replaced by the related lead antimony oxide-hydroxide species, bindheimite. The crystals are mostly doubly-terminated, and show classic bournonite form. Admittedly, "wolchite" isn't the most beautiful pseudomorph on the planet but it’s still an impressive piece for intellectual interest and for this old locality. I had only ever seen smears and broken bits of such crystals, and compared to them this is a kingly specimen. Ex. Harvard University Museum.
Robert Lavinsky - 11th December 2010

Photo added to mindat.org

6.0 x 5.2 x 4.6 cm. This is a very old specimen from the noted classics collection of Phil Scalisi, featuring floating crystals of bournonite replaced by the related lead antimony oxide-hydroxide species, bindheimite. The crystals are mostly doubly-terminated, and show classic bournonite form. Admittedly, "wolchite" isn't the most beautiful pseudomorph on the planet but it’s still an impressive piece for intellectual interest and for this old locality. I had only ever seen smears and broken bits of such crystals, and compared to them this is a kingly specimen. Ex. Harvard University Museum.
Robert Lavinsky - 11th December 2010
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