{"product_id":"diaspore-montejo-de-la-sierra-community-of-madrid-spain-copy","title":"Corundum- Africa","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCorundum\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAfrica\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.7 × 2.8 × 2.8 cm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eProvenance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Original vintage collection label, catalog no. 122, included with specimen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA substantial Corundum specimen displaying earthy reddish-brown, muted burgundy, and warm copper tones across a naturally weathered surface. The specimen exhibits a stout, somewhat barrel-shaped form with broad, uneven faces, subtle growth markings, and patches of pinkish-red mineral coloration. Fine surface striations, irregular ridges, and areas of darker brown weathering create a richly textured appearance, while occasional smoother surfaces reveal a subdued vitreous sheen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorundum is an aluminum oxide mineral (Al₂O₃) recognized for its exceptional hardness of 9 on the Mohs scale, second only to diamond among natural minerals. It occurs in a variety of metamorphic and igneous environments and is the mineral species responsible for ruby and sapphire. This vintage-labeled African specimen offers an example of Corundum in a naturally weathered, unpolished form, highlighting its robust crystal habit and characteristic reddish-brown coloration.\u003c\/span\u003e\u003c\/p\u003e","brand":"The Crystalary","offers":[{"title":"Default Title","offer_id":67978878812291,"sku":"barrydwr5-1of2-122","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0390\/4634\/8931\/files\/IMG_39612.jpg?v=1792530064","url":"https:\/\/www.thecrystalary.com\/products\/diaspore-montejo-de-la-sierra-community-of-madrid-spain-copy","provider":"The Crystalary","version":"1.0","type":"link"}