Tourmaline is a semi-precious gemstone that is known for its wide range of colors, which include black, brown, green, blue, pink, and red. It is a complex mineral that is made up of boron, aluminum, silicon, and other elements. Tourmaline is found in many locations around the world, including Brazil, Sri Lanka, Madagascar, and the United States. It has a hardness of 7-7.5 on the Mohs scale, which makes it durable enough for use in jewellery.
“ Tourmaline stone”
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