Corundum - ruby - sapphire (mineral)

Corundum crystals, a selection of specimens of this crystallized mineral species. Corundum is a mineral, ruby and sapphire are a variety, here many collector’s items presented with a description, one or more photos and sometimes a video. These corundum, rubies and sapphires are for sale.
It is anhydrous alumina, with chemical formula Al2O3 and trigonal crystal system.

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Categories
En stock / Vendus
Trier par prix
Trier par