{"product_id":"ferruginous-quartz","title":"Ferruginous Quartz--kinda","description":"\u003cp\u003e*from Valencia, Spain.\u003cbr\u003e*The red quartz crystal is 20 mm tall. 55 x 50 x 35 mm overall.\u003c\/p\u003e\n\u003cp\u003eThese crystals have a great history. They are called \u003cem\u003eJacinto de Compostela \u003c\/em\u003ewhich translates into \u003cem\u003eHyacinth of Compostela. \u003c\/em\u003eCompostela is a city in Spain. It was named by pilgrims traveling to Santiago who carried these red quartz crystals as a talisman. These red quartz crystals don't occur in Santiago. They were only brought there by the pilgrims. \u003c\/p\u003e\n\u003cp\u003eThe red is not caused by iron as the name ferruginous suggests but by clay and gypsum particles trapped as inclusions. The matrix is gypsum. Great luster!\u003c\/p\u003e","brand":"Rock On! Minerals","offers":[{"title":"Default Title","offer_id":52201358688545,"sku":"0424","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/7710\/6977\/files\/IMG_3928.jpg?v=1767818769","url":"https:\/\/rockon-minerals.com\/products\/ferruginous-quartz","provider":"Rock On! Minerals","version":"1.0","type":"link"}