This listing is for one small Natural Black Tourmaline Crystal, each piece differs slightly in size and weight.

These Tourmaline Crystals are fairly fragile and many contain some Quartz and Mica traces.

Tourmaline is a crystalline boron silicate mineral compounded with elements 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.

Usually, iron-rich tourmaline's are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmaline's 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.

Tourmaline is a crystalline boron silicate mineral compounded with elements 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. Wikipedia

Color: Green, Black, Blue, Purple, Red, White, Pink, Yellow, Grey, Brown, Orange

Luster: Vitreous

Associated month: October

Crystal system: Hexagonal crystal system

Hardness (Mohs hardness scale): 7 – 7.5

Mineral class: Tourmaline

Average Dimensions:
Length: 55 to 100mm
Width: 20 to 30mm
Weight: 55 to 66g

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