|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Madagascar > Corundum var. Ruby
|Corundum var. Ruby
|Doubly-terminated ruby crystal embedded in dark biotite-rich matrix. The ruby corundum crystals is pink-violet color with lustrous crystal faces. The crystal form is hexagonal with one termination modified by secondary corner faces.
|For reference only
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