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and increasingly as a faceted stone
most pieces glowing strong green under 365nm UV light
Some cubaris are shy and like to burrow
variable by piece
Aragonite and calcite (repaired) Smoky quartz and increasingly as a facetedLocale: Sidi Ayed, Fs Mekns Region, Morocco Approx dimensions: 3. 5 x 2 x 1. 5" Approx size: 285g **Repaired specimen Calcite and aragonite are polymorphs of one another, meaning that the same chemical composition (calcium carbonate) has crystallized into different crystal structures (trigonal and orthorhombic, respectively). Calcite and aragonite often grow together, and the two minerals are also frequent paramorphs of one anothera pseudomorph of the
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