Dark Smoky Quartz Cluster with Calcite, Huanggangliang Mine, Inner Mongolia, China

The dense dark smoky quartz cluster features complete bipyramidal crystals of varying sizes with bright luster. Pale creamy rosette calcite layers grow on crystal surfaces, and pale purple fluorite crust covers the matrix backside. The three minerals form classic polymineralic assemblages characteristic of Huanggangliang skarn deposits.

该致密黑水晶晶簇晶形完整、光泽明亮，尺寸大小错落。浅米黄色叠层玫瑰状方解石附生晶面，基底覆淡紫色萤石，构成矿区标志性的黑水晶、方解石、萤石共生组合。

Dimension: 9.9×8.8×5.2cm.

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