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** Staining warning
it is actually more complex
" just like the digestive tract vein down the back of shrimp
UV reactivity Under 365nm UV light
Botryoidal aragonite and calcite Hedenbergite ** Staining warningLocale: Sidi Ayed, Fs Mekns Region, Morocco Approx dimensions: 3 x 2. 5 x 2" Approx size: 365g 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 same chemical
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