{"id":52,"count":10,"description":"CLASS: Cyclosilicate. . . CHEMICAL FORMULA: (Na, Ca) (Al, Fe, Li) (Al, Mg, Mn) 6 (BO3) 3 (Si6O18) (OH, F) 4. . . CRYSTAL  SYSTEM: trigonal\r\nCRYSTAL FORM: prisms, often elongated, vertically striated\r\nCOLOR: colorless, blue, black, brown, pink, red, green\r\nPHYSICAL PROPERTIES: very hard (7\/7,5 Mohs), heavy (3\/3,25 g\/cm3), lack of cleavage, transparent \/ translucent, vitreous gloss tending to resinous at fracture points, pyroelectric, very piezoelectric, insoluble in acids and birefringent (double refraction).\r\nCURIOSITIES: related to healing properties, transforming negative energies into positive ones.\r\n","link":"https:\/\/www.mineralitum.com\/en\/buy\/tourmaline\/","name":"TOURMALINE","slug":"tourmaline","taxonomy":"product_cat","parent":0,"meta":[],"_links":{"self":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product_cat\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"wp:post_type":[{"href":"https:\/\/www.mineralitum.com\/en\/wp-json\/wp\/v2\/product?product_cat=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}