Sapphires are a 9 on the Mohs hardness scale. The only crystal harder than Corundum (sapphire) is a diamond (cubic crystal structure). HardnessĬorundum is an exceptionally hard crystal structure. Trace mineral content within the crystal gives it color (further details on color explained in each specific sapphire type). Blue Corundum is called Blue Sapphire Pink Corundum is called Pink Sapphire, etc. Its crystal structure is hexagonal.Ĭorundum (sapphires) comes in all color types. A sapphire (corundum) is an aluminum oxide mineral (Al2O3). The scientific name of a sapphire crystal is called Corundum. If you have general interest in sapphires or if you plan to purchase one this section will give you comprehensive insight into the beautiful world of sapphires! The Sapphire Crystal
The more information you understand about these stones the more you will appreciate them.
In this section of our education on sapphires we start with the very basics of the sapphire crystal and its characteristics. Sapphires: Types, Colors, Descriptions, Origins and Details
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