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21st Wedding Anniversary Gemstone

Iolite, also known as water sapphire, is a mineral species known as cordierite.  The color of Iolite ranges from light blue to dark blue and violet.  Iolite has a hardness of 7 to 7.5 on the Mohs scale.

The Iolite gemstones for sale in the category area all natural gemstones!

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