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sapphire_(gem)
📅 Updated:2016-05-30
🕒 Created:2016-05-30
🆔 ID:11462
Description
Sapphire is a gemstone, a variety of corundum (aluminium oxide) which usually has an impurity of iron and titanium which gives it a deep blue colour. It is used for jewelry, but pure colourless sapphire is sometimes used as glass.
