Fluorite with Cinnabar & Stibnite Oxide from Weishan Antimony Mine, Yunnan, China.

Box Dimension: 21×28cm.

This distinctive mineral specimen from Yunnan Weishan Antimony Mine features transparent fluorite crystal clusters as the matrix, coated with a thin vermilion cinnabar film. The yellow inclusions on the crystals are secondary oxides formed by stibnite oxidation. Some fluorite surfaces also display iridescent rainbow oxide films, creating a stunning interplay of red, yellow and crystal‑clear hues.

Its formation involves multi‑stage hydrothermal mineralization and subsequent oxidation processes: fluorite cubic crystals precipitated first from ore‑forming fluids; mercury‑bearing hydrothermal fluids then deposited cinnabar as thin films on fluorite surfaces. With weathering and oxidation, stibnite transformed into yellow oxides, while some fluorite surfaces developed iridescent films. This rare assemblage holds both high ornamental value and geological significance.

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巍山锑矿·萤石覆辰砂（含辉锑矿氧化层）

云南巍山锑矿产出的这款特色矿物标本，以通透萤石晶簇为基底，朱红辰砂呈薄膜状均匀覆裹晶体四周；晶面间点缀的黄色物质，是辉锑矿经氧化后形成的次生氧化物。部分萤石表面还带有绚丽的彩虹氧化膜，红、黄、莹白交织，层次丰富又极具视觉张力。

独特外观源于矿床多阶段热液成矿与后期氧化作用：先由成矿流体沉淀出萤石立方晶簇；随后含汞热液析出辰砂，在萤石表面形成薄膜；伴随矿层风化氧化，辉锑矿转化为黄色氧化物附着于晶隙，部分萤石晶面则因氧化形成彩虹薄膜，共同造就了这件兼具观赏性与地质研究价值的珍稀共生标本。

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