Brownish-black Grossular Garnet 5 Pieces Lot 135.2 Gram 19.2 G To 38 G Size


Brownish-black Grossular Garnet 5 Pieces Lot 135.2 Gram 19.2 G To 38 G Size

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Brownish-black Grossular Garnet 5 Pieces Lot 135.2 Gram 19.2 G To 38 G Size:
$12


  • Brownish-black Grossular Garnet (from Tanzania of Africa)​ - 5 pieces 19.2 gam to 38 gram each piece (total 135.2 25x22x22 mm to 31x29x26 mm each Matrix specimen of sparkling, lustrous brownish-black Grossular Garnet
  • The Nature Garden

    Brownish-black Grossular Garnet 5 pieces Lot 135.2 gram 19.2 g to 38 g size

    Brownish-black Grossular Garnet (from Tanzania of Africa)
    ​ - 5 pieces lot

    Weight: 19.2 gam to 38 gram each piece (total 135.2 25x22x22 mm to 31x29x26 mm each piece

    Description: Matrix specimen of sparkling, lustrous brownish-black Grossular crystals.

    Locality: Garnet

    Grossular is member of the Garnet group, and is its most varicolored form, occurring in almost all colors except for blue. Grossular is often dark in color, but it also forms the lightest colored forms of Garnet, and can even be white or colorless. Although not as famous as Almandine and Pyrope, Grossular has some important gem varieties. These include the rare emerald-green Tsavorite and the orange to orange-brown Hessonite.
    Grossular forms a solid solution series with Andradite, and can be virtually indistinguishable from it in localities where they both occur together. In some localities such as Mali, a distinction between these two Garnets is sometimes too complex, and a specimen may just be called "Andradite/Grossular since its full identification is lacking. Grossular is named for its color resemblance to gooseberries, which are scientifically known as ribes grossularium.

    Chemical Formula Ca3Al2Si3O12

    Composition Calcium aluminum silicate, often with some iron, manganese, or chromium replacing some aluminum

    Color Brown, orange, green, yellow-green, and gray. Less often pink, red, and yellow. Rarely white, and colorless. Some massive specimens may be multicolored white, light green, and pink.

    Hardness 6.5-7.5

    Crystal System Isometric

    Transparency Transparent to nearly opaque

    Luster Vitreous


    Item SpecificsShape :RoughBrand :UnbrandedTotal Carat Weight (TCW) :697Treatment :None (No Enhancement)Transparency :OpaqueCut Grade :GoodCountry of Origin :Tanzania, United Republic ofCountry/Region of Manufacture :Tanzania, United Republic ofGemstone :GarnetNatural/Lab-Created :NaturalModified Item :No
    Payment

    By Paypal

    Shipping

    Free shipping cost.

    We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.

    We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.

    Returns

    Returns: We accept returns with any reason in 30 days.

    Contact Us

    We will answer buyer messages within 24 hours during working days.

    The Nature Garden

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    DESCRIPTIONPAYMENTSHIPPINGRETURN POLICYCONTACT US Brownish-black Grossular Garnet 5 pieces Lot 135.2 gram 19.2 g to 38 g size

    Brownish-black Grossular Garnet (from Tanzania of Africa)
    ​ - 5 pieces lot

    Weight: 19.2 gam to 38 gram each piece (total 135.2 25x22x22 mm to 31x29x26 mm each piece

    Description: Matrix specimen of sparkling, lustrous brownish-black Grossular crystals.

    Locality: Garnet

    Grossular is member of the Garnet group, and is its most varicolored form, occurring in almost all colors except for blue. Grossular is often dark in color, but it also forms the lightest colored forms of Garnet, and can even be white or colorless. Although not as famous as Almandine and Pyrope, Grossular has some important gem varieties. These include the rare emerald-green Tsavorite and the orange to orange-brown Hessonite.
    Grossular forms a solid solution series with Andradite, and can be virtually indistinguishable from it in localities where they both occur together. In some localities such as Mali, a distinction between these two Garnets is sometimes too complex, and a specimen may just be called "Andradite/Grossular since its full identification is lacking. Grossular is named for its color resemblance to gooseberries, which are scientifically known as ribes grossularium.

    Chemical Formula Ca3Al2Si3O12

    Composition Calcium aluminum silicate, often with some iron, manganese, or chromium replacing some aluminum

    Color Brown, orange, green, yellow-green, and gray. Less often pink, red, and yellow. Rarely white, and colorless. Some massive specimens may be multicolored white, light green, and pink.

    Hardness 6.5-7.5

    Crystal System Isometric

    Transparency Transparent to nearly opaque

    Luster Vitreous

    Item SpecificsShape :RoughBrand :UnbrandedTotal Carat Weight (TCW) :697Treatment :None (No Enhancement)Transparency :OpaqueCut Grade :GoodCountry of Origin :Tanzania, United Republic ofCountry/Region of Manufacture :Tanzania, United Republic ofGemstone :GarnetNatural/Lab-Created :NaturalModified Item :No
    Payment

    By Paypal

    Shipping

    Free shipping cost.

    We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.

    We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.

    Returns

    Returns: We accept returns with any reason in 30 days.

    Contact Us

    We will answer buyer messages within 24 hours during working days.


    All right reserved.


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    Brownish-black Grossular Garnet 5 Pieces Lot 135.2 Gram 19.2 G To 38 G Size:
    $12

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