這顆螢石（上圖中央水藍色正方形結晶）和方解石（上圖中白色結晶）共生的標本，除了螢石的顏色和結晶形狀都很漂亮之外，螢石的藍色螢光和方解石的紅色螢光也很漂亮（如下圖，長波紫外線，下下圖為可見光對照）。
我發現用高功率的長波紫外燈照射時，螢光比上面照片更好看，螢石的藍色螢光更亮，方解石的螢光是粉紅色的（如下圖），只不過我的手機拍不大出來。
FLUORITE、CALCITE
Yaogangxian Mine
Hunan, China
Dimensions: 5.8 x 3.5 x 3.4 cm.
A small but quite colorful specimen of baby-blue cubic Fluorite with Calcite crystals from the Yaogangxian Mine in Hunan, China, mined around 2002. Both the Calcite and Fluorite fluoresce nicely under shortwave UV light. Nice views all the way around, with lots of fine details for you to explore all over. Guaranteed to delight!
eBay globeminerals
Jul 20, 2021
40+42/2