Stibnite‑Calcite‑Selenite Epigenetic‑Growth Specimen B china clear quartz tower

clear quartz tower

辉锑矿‑方解石‑透石膏叠生矿物标本

Dimensions: 3 x 4

2 flats Purple fluorite wholesale and 1 piece Guizhou

and pinkish-purple interference colors under reflected light — a natural stress-related optical effect

Stibnite‑Calcite‑Selenite Epigenetic‑Growth Specimen B china clear quartz towerStibniteCalciteSelenite 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