Reference: PRR4
Product name: Natural Peridot, Shape: Oval, Colour: Green, Stone dimensions mm: 8.90x6.90, Salted weight: 1.90, Stone clarity: No visible inclusions, Treatment: Untreated, Remarks: Asymmetric cut, Origin: Pakistan
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Peridot is a common mineral in mafic and ultramafic rocks, often found in lava and in peridotite xenoliths of the mantle, which lava carries to the surface; however, gem-quality peridot occurs in only a fraction of these settings. Peridots can also be found in meteorites.
Peridots can be differentiated by size and composition. A peridot formed as a result of volcanic activity tends to contain higher concentrations of lithium, nickel and zinc than those found in meteorites.
Olivine is an abundant mineral, but gem-quality peridot is rather rare due to its chemical instability on Earth's surface. Olivine is usually found as small grains and tends to exist in a heavily weathered state, unsuitable for decorative use. Large crystals of forsterite, the variety most often used to cut peridot gems, are rare; as a result peridot is considered to be precious.
In the ancient world, mining of peridot, called topazios then, on St. John's Island in the Red Sea began about 300 B.C.
The principal source of peridot olivine today is the San Carlos Apache Indian Reservation in Arizona. It is also mined at another location in Arizona, and in Arkansas, Hawaii, Nevada, and New Mexico at Kilbourne Hole, in the US; and in Australia, Brazil, China, Egypt, Kenya, Mexico, Myanmar (Burma), Norway, Pakistan, Saudi Arabia, South Africa, Sri Lanka, and Tanzania.
Data sheet
Product name: Natural Peridot, Shape: Oval, Colour: Green, Stone dimensions mm: 8.90x6.90, Salted weight: 1.90, Stone clarity: No visible inclusions, Treatment: Untreated, Remarks: Asymmetric cut, Origin: Pakistan
Product name: Natural Peridot, Shape: Wand, Color: Green, Stone size mm: 12.60x6.90, Stone carat weight: 4.75, Treatment: Untreated, Origin: Pakistan, Stone clarity: Visible inclusions
Product Name: Natural Aquamarine, Shape: Rectangular, Color: Light Blue, Stone Size: 8.20x4.20 mm, Weight: 0.70 Carat, Stone Clarity: Visible Inclusions, Treatment: Untreated, Origin: Pakistan, Obs: Chipped
Product Name: Natural Peridot, Color: Green, Stone Size mm: 12.10x10.40x5.90, Stone Carat Weight: 7.35, Stone Clarity: Visible Inclusions, Treatment: Untreated, Origin: Pakistan
Stone type: Natural Crysoberyl, Shape: Round cabochon, Color: Light green, Weight carat: 0.40, Treatment: Untreated, Source: Sri Lanka, Stone Clarity: Visible inclusions, Stone size mm: 4.20x4.10, Sale information: Price by piece
Product Name: Natural Garnet, Shape: Rectangle, Color: Dark Pink, Size: 8.00x6.60 mm, Weight: 2.15 carats, Clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka, Obs: Chipped
Product name: Natural Turquoise, Shape: Oval cabochon, Color: Blue, Stone size: 10.00x8.00 mm, Weight: 0.85 carats, Clarity: Opaque visible inclusions, Treatment: Untreated, Origin: Arizona USA
Stone type: Natural Fluorite, Shape: Emerald, Color: Light green, Treatment: Untreated, Additional details: Uneven color, Additional details: Asymmetrical cut , Source: Mongolia, Stone Clarity: Visible inclusions, Stone size mm: 12.10x7.80, Sale information: Price by piece
Product name: Natural Spinel, Shape: Cushion, Color: Dark Blue, Stone size: 8.00x5.40 mm, Weight: 1.05 carat, Treatment: Untreated, Stone clarity: No visible inclusions, Origin: Sri Lanka
Product Name: Natural Sapphire, Color: Purple, Shape: Oval, Stone Clarity: No Visible Inclusions, Stone Size: 5.10x4.10 mm, Weight: 0.55 Carat, Treatment: Heat Treated, Origin: Sri Lanka, Remarks: Chipped
Product Name: Natural Tourmaline, Color: Green, Shape: Pear, Stone Size: 7.20x4.50 mm, Weight: 1.00 carat, Stone Clarity: Visible Inclusions, Origin: Afghanistan
Product name: Natural Spinel, Shape: Oval, Color: Dark Bordeaux, Stone size mm: 8.50x6.20, Stone carat weight: 1.25, Stone clarity: No visible inclusions, Treatment: Untreated, Origin: Sri Lanka
Product Name: Natural Emerald, Shape: Oval, Color: Green, Stone Size: 6.00x5.00 mm, Weight: 0.55 Carat, Stone Clarity: Visible Inclusions, Treatment: Untreated, Remarks: Irregular Craft Cut, Origin: Zambia
