{"title":"Tourmaline","description":"\u003cp\u003eTourmaline is a colorful\u003cstrong\u003e semi-precious gemstone\u003c\/strong\u003e with a \u003cstrong\u003ehardness of 7–7.5\u003c\/strong\u003e on the Mohs scale. Its chemical composition is a complex boron silicate containing aluminum, iron, magnesium, sodium, lithium, or potassium. Paraiba tourmaline is the rarest and most expensive variety. In Sri Lanka, less common types include rubellite, verdelite, indicolite, black tourmaline, bi-color tourmaline, watermelon tourmaline, yellow and brown tourmaline. Tourmaline is also one of \u003cstrong\u003eOctober’s birthstones\u003c\/strong\u003e. In gemstone beliefs, it \u003cstrong\u003esymbolizes protection, balance, creativity, and positive energy\u003c\/strong\u003e, while \u003cstrong\u003eblack tourmaline is believed to repel negativity.\u003c\/strong\u003e\u003c\/p\u003e","products":[],"url":"https:\/\/tharakagems.com\/collections\/tourmaline.oembed","provider":"Tharaka Gems","version":"1.0","type":"link"}