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Cobaltite - Hakansboda - Kastmanland - Sweden
(#:MINS8677)
An excellent sharp Swedish Cobaltite crystal on typical matrix block of mixed Sulfides (Chalcopyrite etc). The Cobaltite is a modified cube (4 mm) with distinct striations and fine metallic luster. A rare sulphides from a classic locality.
Formula :
CoAsS
System:
orthorhombic
Hardness:
5½-6
Rarity:
not common
Strunz id:II/D.18-10 - SULFIDES
Name origin:
From the German, Kobold, "underground spirit" or "goblin," in allusion to the refusal of cobaltiferous ores to smelt properly, hence "bewitched."
Specimen weight:31 gr.
Crystal size:4 mm wide
Overall size: 25mm x 20 mm x 23 mm
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