Tourmaline

Tourmaline illustrationtypes

Tourmaline is one of the most colorful gemstones. It got its name at the beginning of the 18th century when Dutch sailors brought gems that natives of Sri Lanka called turamali. Turmaline is a relatively hard material 7-7.5 on Mohs scale suitable for use in jewelry. Tourmalines include a whole group of minerals with a common crystalline structure but with different chemical compositions.

Iron-rich tourmalines are usually black to bluish-black to deep brown. At the same time, magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink, etc. Tourmaline is rarely colorless. The most valuable varieties of tourmaline are:

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