18
Apr
What is Nanosital?
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By
韦, 娜
Nanosital is the best imitation of natural color gemstones, with unique aesthetic characteristics.
Nanosital represents the finest opt...
未分类
27
Mar
Synthetic Corundum Rough Uncut Raw Material Ruby Sapphire
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By
Chemical CompositionHardnessDensityRefractive IndexDispersion(C-F)Hert resistanceAI2039Mohs3.611.730.012up to 1100 C
Synthetic c...
Accessories