Numerous twinned semi lustrous crystals of deep red cinnabar to 0.4 cm in size across the top of a crystallized quartz matrix. The specimen comes with a previous label from the collection of Ray DeMark, who acquired this in May, 1981 the Peking Geological Museum. This is in good condition.The Tongren region in Guizhou, China, is renowned for its rich metallogenic geology, specifically associated with hydrothermal deposits hosted within sedimentary carbonate rock layers. Historically, this area has served as a primary center for mercury and vibrant mineral extraction, boasting a mining heritage that spans over a thousand years. Extensive underground networks developed over centuries have yielded world-class crystal specimens of cinnabar, often twinned, along with quartz, barite, etc.
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