排列三走势图|排列三和值走势图

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Transparent Fluorite Cube

2016-04-20

立方體透明螢石.jpg

Mineral fluorite is also called fluorspar, soft crystal, colorful gem, and rainbow gem. Its main chemical composition is CaF_2 but also contains a lot of impurities. It can serve as gem and luminous pearl, but it is harmful.
排列三走势图