{"product_id":"tumbled-black-tourmaline","title":"Tumbled Black Tourmaline","description":"Chemical Composition: Tourmaline is a complex silicate of boron and aluminum, composition varies. Tourmaline crystals are hexagonal, prismatic crystals that commonly have a rounded triangular cross section, striated lengthwise. Also radiated, columnar, massive.\u003cbr\u003eColors include blue, green, pink, red, yellow, brown, black, bi-colored, tri-colored, and colorless.\u003cbr\u003eTourmaline may be found in Brazil, Russia, Burma, Afghanistan, Malagasy Republic, Maine, California.\u003cbr\u003e\u003cbr\u003eHardness: 7 - 7 1\/2\u003cbr\u003e\u003cbr\u003eBlack Tourmaline: Protects against negativity. Encourages intellectual thought, vitality. Corresponds to the root chakra, and the astrological sign of Capricorn.","brand":"Bestcrystals.com","offers":[{"title":"1 pound","offer_id":50740712964378,"sku":"T-BTC1","price":29.95,"currency_code":"USD","in_stock":false},{"title":"1\/2 pound","offer_id":50740712997146,"sku":"T-BTC2","price":16.0,"currency_code":"USD","in_stock":false},{"title":"by each","offer_id":50740713029914,"sku":"T-BTC","price":3.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/6291\/0490\/files\/T-BTC1b.jpg?v=1750141698","url":"https:\/\/portlandcrystals.com\/products\/tumbled-black-tourmaline","provider":"Portland Crystals","version":"1.0","type":"link"}