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TOURMALINE SPECIMEN

This is a quality natural specimen showing watermelon green colours  on top of the stone.Naturally terminated.This is a great specimen for any collection.

TOURMALINE BIRTHSTONE FOR OCTOBER.

NATURAL UN HEATED

MINED IN KENYA

MOHS SCALE 7-7.5

WEIGHT  CTS

SIZE X  X  MM

Tourmalines are a class 2 gemstone which means inclusions are acceptable

 Tourmaline is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline gem stones come 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 crystallisation.

Some forms of tourmaline are dichroic, in that they change color when viewed from different directions.