Arsenopyrite

$300.00

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A fine large sharply formed double terminated lustrous metallic silver crystal of arsenopyrite, this with one smaller crystal attached on the backside. Complete all around, this is in good condition. The specimen comes with a previous label from the collection of Ray DeMark.The Yaogangxian Mine, situated in Yizhang County near Chenzhou in southeastern Hunan Province, China, was discovered and opened in 1914 and remains active today as a major tungsten and polymetallic producer. Geologically, the deposit is part of the Nanling nonferrous metallogenic belt and consists of extensive hydrothermal quartz veins emplaced within Mesozoic granitic intrusions and surrounding Paleozoic sedimentary strata. The complex ore system features rich concentrations of wolframite, scheelite, and sulfides, and it is globally renowned among mineral collectors for producing world-class specimens of fluorite, ferberite, and arsenopyrite.