Calcite-Quartz Paragenetic Specimen from Erengaobi, Dong Ujimqin Banner, Inner Mongolia, China

This columnar quartz aggregate originates from Erengaobi, Dong Ujimqin Banner, Inner Mongolia. The host quartz crystals display intact hexagonal prismatic forms covered with fine matte drusy silica crusts. Botryoidal and radial lamellar calcite overgrowths epitaxially develop on the upper section of quartz surfaces. Under ultraviolet light, the calcite exhibits striking bright red fluorescence, while the quartz matrix emits faint pale blue luminescence, forming distinct fluorescent color zoning. It represents a typical calcite-quartz paragenetic assemblage formed in hydrothermal mineralization environments.

中国内蒙古东乌珠穆沁旗额仁高壁 方解石水晶共生标本

该柱状水晶集合体产自内蒙古东乌旗额仁高壁，寄主水晶晶体六方柱晶形完整，表层覆盖细腻哑光微晶石英皮壳。晶柱上部外延生长葡萄状、放射片状方解石集合体。紫外光源照射下，方解石呈现浓烈亮红色荧光，水晶基底发出淡弱浅蓝荧光，二者形成清晰的荧光分带，为热液成矿环境下形成的典型方解石-水晶共生组合。

Dimension : 12.6×5×4.5cm

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