Rose Quartz

The quartz is a part of the family of silicates.

Color: colorless, yellow greyish / brown ( smoked quartz); light pink ( pink quartz)
Hardness: 7
Refractive index: 1,54 - 1,55
Density: 2,65 - 2,66
Chemical composition: SiO2 (dioxide of silicon)
Crystalline structure: hexagonal
Luster: glassy
Origin: very wide-spread in the world.

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