Deep Violet Fluorite Specimen from Heli Mountain, Gaotai County, Zhangye City, Gansu Province
This specimen is collected from the northern fluorite mining zone of Heli Mountain, Gaotai County, Zhangye City, Gansu Province, formed within mesothermal hydrothermal veins. The crystals crystallize in the isometric system as intergrown cubic-octahedral aggregates. The crystal faces possess frosted texture with excellent transparency, displaying an intense grape deep purple hue with gentle natural color zoning. The specimen appears lucent under backlight and develops four directions of perfect cleavage. The individual crystals are large and robust, representing characteristic fluorite from the Heli Mountain deposit.

甘肃张掖高台合黎山深紫色萤石晶簇标本
标本产自甘肃省张掖市高台县合黎山北山萤石矿区，为中温热液脉型萤石。晶体属等轴晶系，呈立方体与八面体聚形紧密丛生；晶面带有磨砂质感，内部通透度佳，通体为浓郁厚重的葡萄深紫色，色带过渡自然流畅。背光透视下晶体质感莹润，晶体发育四组完全解理，颗粒粗大浑圆，是合黎山矿区极具代表性的萤石藏品。

Dimension: 8.5×6×4cm.

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