Quality of Tourmaline Gemstone
Read More- A-Z Guide of Cabochon Gemstones
1. Tourmaline is mined chiefly in Brazil and many parts of Africa, including Tanzania, Nigeria, Kenya, Madagascar, Mozambique, Malawi, and Namibia.
2. Tourmaline has a variety of colors.
3. Tourmaline ranks 7 to 7.5 on the Mohs scale.
4. Tourmaline is the newer October birthstone.
5. Tourmaline is a crystalline silicate mineral group in which boron is compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium.
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