crystal-rock

Not unmelting ice from a far-off age, as the old legends had it, but a natural crystal-clear quartz. Fine inclusions ennoble this gem with its mysterious vibrations.

Formula: SiO2
Hardness: 7
Density: 2.65 g/cm3
Refractive Index: 1.544 – 1.553 DR: 0.009
Color: Colorless
Countries of Origin: Brazil, Madagascar, U.S.A.
Birthstone: March

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