CHEMICAL COMPOSITION OF GEMSTONES

| May 2, 2018

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The colours of Gemstones – Precious Stones are affected by differences in chemical and atomic structure, leading to the absorption of the different wavelengths of light. Their hardness is measured on the Mohs scales, which runs from 1-10. The colour chemistry of following gemstones is described in following infographic. Alexandrite, Amethyst, Aquamarine, Diamond, Emerald, Garnet, Opal, Pearl, Peridot, Ruby, Sapphire, Spinel, Topaz, Tourmaline, Turquoise and Zircon.

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