4.5 x 4.0 x 2.7 cm. A RARE and showy combination specimen from Kara-Oba, Kazakhstan and the Eric Asselborn Collection. Metalllic-bright cosalite needles are aesthetically crossed and included within a water-clear, sea-green fluorite cube with purple zoning. The cosalite needles are revealed through a thin, secondary fluorite overgrowth layer. Cosalite is an uncommon lead bismuth sulfide. The scattering of quartz crystals are a nice accent to this mounded, 3-dimensional piece.
4.0 x 2.1 x 2.1 cm. A rich nest of cosalite needles is visible within a stocky, water-clear quartz crystal in this fine specimen from the Kara-Oba deposit of Kazakhstan. Cosalite is an uncommon lead, bismuth sulfosalt and this is a superb and very uncommon combination of the two species. A fine, 2.0 cm, doubly terminated quartz crystal is embedded in one side. The quartz crystal is complete-all-around and nearly pristine.
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