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  • Black Tourmaline (unit) [0101000221]

    Black Tourmaline (unit)

    Tourmaline pieces of 20gr áprox.

    Tourmaline is a crystal boron silicate mineral compounded withelements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors.


    Tourmaline has a variety of colors. Usually, iron-rich tourmalines are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink, etc. Rarely, it is colorless. Bi-colored and multicolored crystals are common, reflecting variations of fluid chemistry during crystallization.


    Crystal of 20 grames