27MarThe Increasingly Popular Sapphire1. Sapphire is a variety of corundum. Corundum is a mineral that can come in many colors, including red (which is known as ruby), yellow, orange, p...
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21MarMaintenance Of SapphireSapphire is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and lus...
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