Bright metallic crystal of Carrollite embedded in white calcite matrix.
Formula : Cu(Co,Ni)2S4
System: cubic Hardness:5 Rarity:rare
Strunz id:II/D.1-40 -
SULFIDES
Name origin: After the type locality in Carroll County, Maryland, USA.
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Specimen weight:83 gr.
Crystal size:11 mm wide
Overall size: 65mm x 40 mm x 40 mm
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