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Siderite, Sphalerite
A fascinating and striking pseudomorph miniature specimen from a small find that was brought out at Munich in 2006. These very unusual, barrel-shaped crystals are actually epimorphs, i.e. casts after calcite crystals, which have been dissolved away. Microprobe analysis in South Africa by Bruce Cairncross and others shows that the shimmering, metallic-like coating is a mixture of siderite and sphalerite. The piece is very light weight for its size and, in fact, the cast is hollow. Complete all-around and pristine.
Unknown Owner
Product details
Species
SizeMiniature
Dimensions4.2 x 3.4 x 2.1 cm
Locality
Added on10/23/2024
Comments
Known provenance
2024/08
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Sphalerite from Northern Cape
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