Updated 5d ago
11
Bournonite$900.00
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Intergrown cog-like crystals of Bournonite with a little attached granular Quartz and Limonite from the Viboras mine in the Machacamarca mining district of Cornelio Saavedra Province, Bolivia. The Bournonite forms excellent classic cog wheels of gunmetal-grey with a bright metallic lustre. The largest crystal measures 2.9 cm long x 0.9 cm wide and up to 2 cm deep and is joined with two sub-parallel, similar but smaller crystals. A superb example of Bournonite, commonly known as 'cog-wheel ore'.
Product details
Species
SizeMiniature
Dimensions2.7 x 4.2 x 2.2 cm
Locality
SKUCC19964
Listed on10/24/2024
Comments
Known provenance
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