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
Stone type: Natural Aquamarine, Shape: Baguette, Colour: Light blue, Stone size mm: 12.20x4.80, Weight carat: 1.80, Stone Clarity: Visible inclusions, Treatment: Untreated, Source: Pakistan
Product Name: Natural Emerald, Shape: Round, Colour: Green, Stone Size: 4.20 mm, Weight: 0.35 Carat, Stone Clarity: Visible Inclusions and Fractures, Treatment: Untreated, Remarks: Craft Cut, Origin: Zambia
Stone type: Natural Sapphire, Shape: Cushion, Color: Green, Stone size mm: 7.80x5.60x4.80, Weight carat: 1.85, Stone Clarity: Eye clean, Treatment: Heated, Source: Madagascar
Product Name: Natural Aquamarine, Cushion, Color: Light Blue, Stone Size mm: 8.00x6.30, Stone Clarity: Visible Inclusions and Fractures, Stone Carat Weight: 1.45, Treatment: Untreated, Origin: Pakistan
Product: Natural Tourmaline, Shape: Oval, Color: Pink, Size: 5.80x5.40 mm, Weight: 0.75 carat, Stone clarity: Visible inclusions and fractures, Treatment: Untreated, Origin: Pakistan
Product name: Natural Emerald, Shape: Oval, Color: Green, Stone size mm: 7.00x5.00, Stone Carat Weight: 0.65, Stone clarity: Visible inclusions and fractures, Treatment: Untreated, Origin: Zambia
Product name: Natural Ruby, Shape: Round, Color: Cherry red, Stone dimensions mm: 6.20, Stone Weight carat: 1.30, Stone clarity: Slightly visible inclusions, Treatment: Glass filled, Origin: Mozambique
Stone type: Natural Peridot, Shape: Octagon, Colour: Green, Stone size mm: 12.80x13.00x7.40, Weight carat: 11.10, Stone Clarity: Visible inclusions
Product: Natural Turquoise, Shape: Round cabochon, Color: Blue, Size: 7.80x5.90 mm, Weight: 0.85 carat, Clarity: Opaque, visible inclusions, Treatment: Untreated, Origin: USA
Stone type: Natural Topaz, Shape: Trillion, Color: White Brown, Weight carat: 5.85, Treatment: Untreated, Additional details: Chipped, Additional details: Hi quality cut, Source: Pakistan, Stone Clarity: Visible inclusions and fractures, Stone size mm: 11.72x6.84, Sale information: Price by piece
Product name: Natural Peridot, Shape: Cushion, Color: Green, Stone size mm: 12.70x8.80x5.40, Stone carat weight: 5.10, Clarity: Visible inclusions
Stone type: Natural Emerald, Shape: Round, Color: Green, Weight carat: 0.40, Treatment: Untreated, Additional details: Artisanal cut, Source: Zambia, Stone Clarity: Visible inclusions and fractures, Stone Clarity: Opaque appearance, Stone size mm: 4.50, Sale information: Price by piece
Stone type: Natural Amber, Shape: Marquise cabochon, Color: Brown, Weight carat: 1, Treatment: Untreated, Source: Poland, Stone Clarity: Visible inclusions, Stone size mm: 7.80x4.00, Sale information: Lot price, Lot details: Similar color of stones
Product: Natural pearl, Shape: Round Irregular, Color: White, Treatment: Untreated, Size: 11.80 - 12.00 mm, Weight: 0.90 grams, Pearl type: Button, Processing: Semi-perforated, Symmetry: Irregular
Product name: Natural Sapphire, Shape: Cushion, Color: Bicolor Yellow White, Size: 6.20x4.60 mm, Weight: 1.02 carats, Treatment: Heat treated, Stone clarity: Visible inclusions, Origin: Sri Lanka
