Fluorite with Barite

specimen number:
9506762

location:
Jiang Jun Gou, Huairou, Beijing, China

description:

Attractive golden yellow semi lustrous mostly gemmy cubic crystals of fluorite to 2.5 cm in size on a barite crystal matrix. In good condition with very minimal and tiny micro-damage present.

Jiang Jun Gou, located in the Huairou District of Beijing, China, is historically recognized for its fluorspar and fluorite mineral workings. The deposits were initially discovered in the early 1940s, heavily mined under Japanese direction from 1943 to 1945, temporarily reopened following 1949, and later worked through informal local mining in the 1980s and 1990s before commercial operations permanently ceased in the early twenty-first century due to resource exhaustion and environmental regulations. Geologically, the site sits within the Yanshan Fold Belt on the northern margin of the North China Craton, where complex Jurassic volcanic rocks and hydrothermal systems created open fractures that allowed fluorine-bearing fluids to precipitate yielding attractive golden yellow fluorite crystals with barite.

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