Tourmaline is a semi-precious stone and is 7-7.5 on the Mohs hardness scale. It is a crystalline boron silicate mineral compounded with elements such as aluminum, iron, magnesium, sodium, lithium, or potassium. It is used as faceted stones for fine jewelry, gem carvings and fine collector pieces.

Tourmaline comes in a wide range of colors from white to black and is highly prized by collectors for its beauty and variety of colors and formations.

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