{"product_id":"varf-ametist-madagascar","title":"Amethyst point from Madagascar","description":"\u003cp\u003e\u003cstrong\u003eDimensions ranging between 3.5 and 4.5 cm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAmethyst\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is the purple variety of quartz and one of the best-known minerals in the silicate family. It is valued for its wide range of shades, from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elilac and delicate violet to intense violet, with purple or slightly reddish tones.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFrom a mineralogical point of view, amethyst consists of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003esilicon dioxide (SiO₂)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and crystallizes in the trigonal system. Its characteristic violet color is linked to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etraces of iron present in the crystal structure and natural irradiation processes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e that occur in the geological environment in which the crystal forms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAmethyst can form in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecavities of volcanic rocks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003ewhere silicon-rich solutions allow the development of crystals on the inner walls. Over time, these can create spectacular \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eamethyst geodes and druses.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, composed of numerous crystals oriented towards the interior of the cavity. The mineral can also appear in hydrothermal veins and in other geological contexts favorable to the formation of quartz.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWell-developed crystals usually exhibit \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eprismatic shapes with natural terminations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a vitreous luster, and various degrees of transparency. A frequent feature is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecolor zoning\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e: the purple may be unevenly distributed in the crystal, with lighter and more intense regions, sometimes concentrated towards the crystal terminations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInside, one can observe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eveils, mineral inclusions, healed fractures, and various growth patterns\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. These elements formed along with the mineral and represent a part of its geological history.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eMineral:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Amethyst\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eVariety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Quartz\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eComposition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e SiO₂ – silicon dioxide\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCrystal system:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Trigonal\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHardness:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7 on the Mohs scale\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLuster:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vitreous\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTransparency:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Transparent to translucent\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eColor:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lilac, violet, violet-purple to deep purple\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe color, transparency, zoning, inclusions, and shape of the crystals naturally differ from one specimen to another. In the case of geodes and druzes, the shape of the cavity and the distribution of the crystals are also unique.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eEach amethyst specimen is a unique mineral formation,\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003ewith its own particularities of color, structure, and crystallization.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe product comes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewith a certificate of authenticity.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"druzy.ro - Cristale, Home Deco","offers":[{"title":"Default Title","offer_id":57226658447684,"sku":"0305.111","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/5165\/2389\/files\/rn-image_picker_lib_temp_2a50e09f-840d-4dd4-8eb5-13aa9a24c094.jpg?v=1789036405","url":"https:\/\/druzy.eu\/products\/amethyst-point-from-madagascar","provider":"DRUZY","version":"1.0","type":"link"}