This listing is for one handful of Natural Black Tourmaline Crystal pieces or fragments, each handful differs slightly to the photo in this listing, but they all weigh exactly 100g.

These Tourmaline Crystals are fragile so must be handled with care! Many contain some Quartz and Mica traces too.

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 Piece Dimensions:
Length: 1 to 40mm
Width: 1 to 30mm
Weight: 0.1 to 6g

Total Weight: 100g

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