AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Bolivia > Bournonite over Pyrite

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Bournonite over Pyrite from Mina Machacamarca, Potosí, Bolivia

 
Bournonite over Pyrite from Mina Machacamarca, Potosí, Bolivia

Bournonite over Pyrite from Mina Machacamarca, Potosí, Bolivia

Bournonite over Pyrite from Mina Machacamarca, Potosí, Bolivia

Bournonite over Pyrite from Mina Machacamarca, Potosí, Bolivia

DESCRIPTION:No. 58154
Mineral:Bournonite over Pyrite
Locality:Mina Machacamarca, Potosí, Bolivia
Description:Lustrous gray-metallic bournonite crystals to 11 m, on yellow-metallic pyrite. The bournonite crystals are repeatedly twinned resulting in a classic cogwheel-shaped formations to 10 mm across.
Overall Size:4.5x3.5x2.5 cm
Crystals:1-11 mm
Status: Sold - Posted here for reference only
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