{"product_id":"tigers-eye-15-00","title":"Tigers Eye $15.00","description":"\u003cp data-start=\"70\" data-end=\"440\"\u003eTiger Eye is a metamorphic rock composed mainly of quartz with parallel inclusions of fibrous crocidolite, which have been replaced by silica. This flat, polished specimen showcases the material’s distinctive golden to reddish-brown bands and chatoyancy-- a light-reflective optical effect that gives the surface a silky, shifting appearance.\u003c\/p\u003e\n\u003cp data-start=\"442\" data-end=\"451\"\u003eFeatures:\u003c\/p\u003e\n\u003cul data-start=\"453\" data-end=\"1165\"\u003e\n\u003cli data-start=\"453\" data-end=\"671\"\u003e\n\u003cp data-start=\"455\" data-end=\"671\"\u003eComposition and Formation: Tiger Eye forms when quartz replaces fibrous blue crocidolite in a process known as pseudomorphism, preserving the fibrous texture while creating a hard, durable stone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"839\"\u003e\n\u003cp data-start=\"675\" data-end=\"839\"\u003eOptical Properties: The shimmering, banded appearance-- known as chatoyancy or “cat’s eye” effect—occurs due to the alignment of microscopic fibers within the quartz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"841\" data-end=\"1008\"\u003e\n\u003cp data-start=\"843\" data-end=\"1008\"\u003eGeologic Context: Commonly found in South Africa and Western Australia, Tiger Eye is often associated with banded iron formations and ancient metamorphic rock zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1165\"\u003e\n\u003cp data-start=\"1012\" data-end=\"1165\"\u003eEducational Use: This polished sample is ideal for illustrating mineral replacement, light interference in crystal structures, and metamorphic processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"The Science Museum of Minnesota","offers":[{"title":"Default Title","offer_id":47750018760918,"sku":"R1500","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/2491\/1830\/files\/il_fullxfull.3539855349_tcyf.webp?v=1769021906","url":"https:\/\/threecrows.com.co\/de\/products\/tigers-eye-15-00","provider":"ThreeCrowsLLP","version":"1.0","type":"link"}