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Calcite from Guangxi
Amazonite from Brazil
Rainbow Pyrite on calcite From Daye Co
albite and trace chlorite
a type of green quartzite unique to Guizhou
Rainbow‑Tarnished Cubic Fluorite 1 new Calcite from GuangxiRainbowTarnished Cubic Fluorite from Weishan Yi and Hui Autonomous County, Dali City, Yunnan Province, China This cubicform fluorite specimen features neatlyshaped cubic crystals forming dense aggregates. A thin ironoxide film across crystal surfaces creates iridescent tarnish through lightwave interference under ambient light. Backlight illumination reveals translucent purplehued interiors, with welldefined zoning textures inside individual crystals.