{"product_id":"fru-gsc-1","title":"Felsocsatar Greenschist (Hungary)","description":"\u003cp data-end=\"683\" data-start=\"216\"\u003e\u003cstrong\u003eFelsőcsatár Greenschist with Quartz Veins\u003c\/strong\u003e – Felsőcsatár, Vas County, Hungary\u003c\/p\u003e\n\u003cp data-end=\"683\" data-start=\"216\"\u003eThis striking greenschist specimen comes from the classic \u003cstrong data-end=\"296\" data-start=\"274\"\u003eZöldpala Formation\u003c\/strong\u003e of Felsőcsatár, one of Hungary’s best-known metamorphic localities. The piece displays \u003cstrong data-end=\"415\" data-start=\"384\"\u003ebeautifully defined banding\u003c\/strong\u003e in rich earthy tones—deep green, brown and bronze—created by layers of \u003cstrong data-end=\"524\" data-start=\"487\"\u003echlorite, epidote, and actinolite\u003c\/strong\u003e. Cutting through the foliation are contrasting \u003cstrong data-end=\"594\" data-start=\"572\"\u003emilky quartz veins\u003c\/strong\u003e, adding strong visual texture and revealing the dynamic metamorphic history of the rock.\u003c\/p\u003e\n\u003cp data-end=\"990\" data-start=\"685\"\u003eThis specimen represents classic \u003cstrong data-end=\"753\" data-start=\"718\"\u003egreenschist facies metamorphism\u003c\/strong\u003e, where ancient oceanic volcanic rocks were transformed under low-grade regional metamorphic conditions. The result is a highly attractive, structurally complex piece that appeals to collectors of metamorphic rocks and Hungarian geology.\u003c\/p\u003e\n\u003cp data-end=\"1213\" data-start=\"992\"\u003e\u003cstrong data-end=\"1003\" data-start=\"992\"\u003eOrigin:\u003c\/strong\u003e Felsőcsatár (Zöldpala Mine), Vas County, Hungary\u003cbr data-end=\"1055\" data-start=\"1052\"\u003e\u003cstrong data-end=\"1069\" data-start=\"1055\"\u003eRock type:\u003c\/strong\u003e Greenschist (Zöldpala)\u003cbr data-end=\"1095\" data-start=\"1092\"\u003e\u003cstrong data-end=\"1108\" data-start=\"1095\"\u003eFeatures:\u003c\/strong\u003e Well-preserved foliation, quartz vein banding, rich colour zoning\u003cbr data-end=\"1177\" data-start=\"1174\"\u003e\u003cstrong data-end=\"1186\" data-start=\"1177\"\u003eSize:\u003c\/strong\u003e ~12(L) x 7(H) x 5(W) cm (see scale cube), 705 g\u003c\/p\u003e\n\u003cp data-end=\"1355\" data-start=\"1215\"\u003eA distinctive and unusual specimen, ideal for collectors seeking \u003cstrong data-end=\"1321\" data-start=\"1280\"\u003eauthentic Hungarian metamorphic rocks\u003c\/strong\u003e or visually rich teaching pieces.\u003c\/p\u003e","brand":"Frugeo","offers":[{"title":"Default Title","offer_id":52525220462929,"sku":"FRU-GSC-1","price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/9749\/6145\/files\/FRU-GSC-1a.jpg?v=1764716871","url":"https:\/\/frugeo.science\/products\/fru-gsc-1","provider":"Frugeo Geology Store","version":"1.0","type":"link"}