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Radial growth forms are typical of the Imilchil region in Morocco
variable by piece
most pieces glowing strong green under 365nm UV light
and increasingly as a faceted stone
Petrified wood is a form of fossilized wood where the organic material has been replaced with minerals
Aragonite and calcite (repaired) Smoky quartz Radial growth forms are typicalLocale: 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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