Chocolate Calcite Cluster with stand 2 sales 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。

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。

From Liu’an

Rhodochrosite from Wutong Mine

Also pale green and translucent

forming a multi-layered phantom hidden within

Chocolate Calcite Cluster with stand 2 sales 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。Chocolate Calcite Cluster from Leiping Mine, Chenzhou, Hunan, China, featuring a special layered structure: the core is chocolate brown calcite, encased by a transparent thin calcite shell. These large rhombohedral crystals have flat faces, sharp edges and parallel growth striations with strong vitreous luster. Iron minerals dye the core into uniform chocolate tone, with yellowish brown original growth bands enclosed inside. Intergrown crystals form