5.75 Carat Natural Afghanistan Blue Green Tourmaline

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Item Information

Dimensions (mm) 10.9 x 8.7 x 6.5mm
Weight (carats) 5.75 carats
Colors

Tourmaline is extremely popular among collectors and is a well-known gemstone. It is the most multicolored mineral type known, occurring in virtually every color of the spectrum. Individual stones are often multicolored and are unsurpassed in their beauty. The color of some Tourmaline can be enhanced through Heat treatment. Some greenish stones can be made deep green, some brownish-red stones can be made red, and some light pink stones can be made colorless through heating. Tourmaline has many interesting optical properties. Many green and blue specimens are strongly pleochroic. Indicolite is one of the most valuable and collectible of all elbaite Tourmalines, with hues spanning from lighter to deep, intense blues. Cutting indicolite can be a task for even the most skilled of cutters, as it is strongly Pleochroic and appears darker when viewed down the crystal. This factor must be taken into consideration when cutting, as a loss of transparency and brilliance can occur in darker specimens.

Item specifics:

Name: TOURMALINE

Clarity: VVS

Origin: Afghanistan


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$600 slimjdk84
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Audit Information

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Pricing & Details

Bid Increment $1
Starting Bid $750
Auction ID 1320983
Watchers 3 watching
Viewed 154 times
Starts 28th Mar 2021 4:45am PDT
Ends 30th Mar 2021 10:03am PDT

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