Corundum (Var: Ruby) - Atsimo-Atsinanana, Madagascar

Corundum (Var: Ruby)

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Though this thin specimen looks like a slice from a larger ruby crystal, it is not: it is a very unusual, extremely flattened example of the ruby-corundum well-known from this locality - a complete and terminated crystal. The crystal has a deep maroon color, and an epitaxial plateau on one side. An old specimen, Ex. Carlton Davis.