Stibnite‑Calcite‑Selenite Epigenetic‑Growth Specimen 2 polished 5 x 2 x 3

5 x 2 x 3 inches

Chocolate calcite and milk quartz from Manaoshan Mine

Tiny sky-blue dolomite microcrystals spread over crystal surfaces and fissures

本标本产自中国贵州晴隆大厂矿床，基底为大块浅黄色方解石，生长有标志性三角酒杯状空心骨架方解石晶体。

Vanadinite from ACF Mine

Stibnite‑Calcite‑Selenite Epigenetic‑Growth Specimen 2 polished 5 x 2 x 3StibniteCalciteSelenite EpigeneticGrowth Specimen from Weishan YiHui Autonomous County, Dali, Yunnan Province, China Primary stibnite crystals crystallized first within the hydrothermal vein. Orangetoned scalenohedral calcite later precipitated and encrusted the stibnite matrix. Finegrained fibrous selenite fully covered the calcite layer afterward. Exposed calcite crystals are manually chiselled out from the outer selenite layer. This threestage