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KRENNERITE (small cabinet)
$462.00 AUD
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.