KRENNERITE, CRESSON MINE, CRIPPLE CREEK, COLORADO, USA (small cabinet)
52 35 40 99
$320.00
Sale price
$320.00
Regular price
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KRENNERITE, CRESSON MINE, CRIPPLE CREEK, COLORADO, USA (small cabinet)
$320.00
Sale price
$320.00
Regular price
Shipping calculated at checkout.
Krennerite is an orthorhombic gold telluride mineral that may contain varying amounts of silver within its structure. Its formula is AuTe2, although specimens with up to 24% of the gold replaced by silver have been discovered ([Au0.77Ag0.24]Te2). Unlike the chemically similar gold-silver tellurides calaverite and sylvanite, which are monoclinic, krennerite is orthorhombic.
Its color ranges from silver-white to brass-yellow. Krennerite has a specific gravity of 8.62 and a hardness of 2.5. It is typically found in high-temperature hydrothermal environments.
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