SCHEELITE ON MUSCOVITE. ...

Description

SCHEELITE ON MUSCOVITE
Pingwu Co., Mianyang Prefecture, Sichuan Province, China
Scheelite: Calcium Tungstate - one of the prime sources for the metal Tungsten, is an absolute necessity in current technology. Many manufacturing processes require it and it has played a significant role in modern geopolitics. The vast percentage of Scheelite being mined is so non-descript that you need a "black light" just to tell if you have some. The SW-UV light trick works with this specimen too (it fluoresces blue-white), but unlike the typical ore-grade version, this example is easily discernable without a special light. The sharp-edged Scheelite octahedron is artistically nestled among a field of silvery, bladed Muscovite crystals - in prime, undamaged condition - that cover the front surface of the specimen. The single golden orange Scheelite shows an almost metallic luster and no damage whatsoever. The crystal itself, measuring on the diagonal, is 1½ inches (3.8 cm) across and along any edge: 1 inch (2.5 cm). The overall dimensions of this excellent specimen are: 2 inches by 2 inches by 1 inch (5 x 5 x 2.5 cm) and there is a custom labeled base.

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