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It is a classic mineral specimen featuring distinctive Chinese geological traits
Dimension: 4×4
Long prismatic quartz forms the substrate with full hexagonal faces and delicate growth textures
产地：中国云南省大理巍山彝族回族自治县。立方体晶型萤石标本，规整的立方体晶体紧密聚合。表层氧化铁薄膜借助光波干涉效应形成彩虹锖色。背光照射能够看见半透明紫色内核，单颗晶体内部发育层次分明的环带构造。
Shuikoushan ore field
Pyrite-Bearing Calcite Quartz Cluster with custom acrylic display stand 4 polished It is a classic mineralPyrite Bearing Calcite Quartz Cluster from Erengaobi, Dong Ujimqin Banner, Inner Mongolia, China. This is a high quality columnar quartz aggregate specimen from Erengaobi, Dong Ujimqin Banner, Inner Mongolia. The prismatic quartz host crystals feature complete hexagonal prism faces with smooth, matte drusy silica coatings. Dense rosette shaped calcite overgrowths epitaxially develop along the quartz crystal edges and surfaces; the lamellar calcite
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