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It is light brown in color with well-developed euhedral crystals
Milky quartz matrix is partially preserved on two sides of the cluster
This specimen
Gibbsite from Dachang Mine
Dimension: 25×18×10cm
Stibnite‑Calcite‑Selenite Epigenetic‑Growth Specimen 3 base It is light brown inStibniteCalciteSelenite 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
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