(325032) 1.50ctw Mix Spinel Round Cut Loose Gemstone Parcel

    189.97 19.97 19.97 USD


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    This 3 stone mix Parcel features multi color spinel that weigh a total of 1.50ctw.
    Natural spinel is a gemstone that is not well-known in the commercial jewelry world but has become a great favorite with gem dealers and gem collectors. ... Spinel is composed of magnesium aluminate, and colored by chromium and iron. It is quite hard (8 on the Mohs scale), and it forms as cubic crystals like diamond. refractive index 7.712- 1.736.
    Spinel was mistaken for rubys back in the 1st century by kings and later realized they were not rubies but there own catagory after that they were known as spinel which they figured out in the 11th century that spinel had a very important role in gravitational current and was starting to be implemented in compasses and used to guide ships across the sea.

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