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    Peridot Gemstone

    Peridot Gemstone

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    • Supply TypeManufacturer, Exporter, Supplier, Retailer
    • Preferred Buyer Location All over the world

    Keeping the globally accepted packaging norms in consideration, we make certain that the packaging is done under the strict supervision of experts and professionals. We are committed to providing quality-assured products and thus we keep a strict check on the production procedure. We deal in Peridot Gemstone which has a high purity level and is available in a quality
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    Company Information

    S. Nirvair Singh Jewellersverified-icon
    location Karol Bagh, Delhi
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    • calendar Member Since 8 Years
    • building Nature of Business Retailer

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    Specification

    Chemical(Mg, Fe)2SiO4, with Mg in greater quantities than Fe.
    CompositionPeridot is a member of an isomorphous series with forsterite (magnesium silicate) and fayalite (iron silicate) as 'end members' of this olivine series.
    Crystal systemOrthorhombic.
    CleavagePoor.
    Hardness6.5 – 7 on moh’s scale
    Specific gravity3.32 to 3.37
    ColourPale yellowish-green to deep green, greenish-brown to brown (rare).
    PleochroismWeak, green and yellowish-green.
    LustreVitreous, sometimes appears oily.
    Refractive index1.65 to 1.69
    Birefringence0.036 Inclusions and facet edges may appear doubled through the 10x lens.
    DispersionMedium.
    Optical natureBiaxial.
    InclusionsBlack chromite crystals which induce flat stress cracks - these resemble water-lily leaves. Mica flakes - these may give the stone a slightly brownish hue.

    In larger stones inclusions appear doubled due to the large double refraction.
    LocalitiesMain sources of gem material include China, Myanmar (Mogok district), Pakistan, USA (Arizona) and Zabargad (S1, John's Island) in the Red Sea.


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