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with crystals protruding out in all directions
Approx weight: 308g
variable by piece
UV reactivity The small amount of hyalite will react a strong yellow-green color under 395nm UV or 365nm UV light
and increasingly as a faceted stone
Aragonite and calcite (repaired) Smoky quartz with crystals protruding out inLocale: 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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