Rare AAA Fire 3.80 ct Sphene~Tanzania

Item Information

Dimensions (mm) 9.5 x 7.9 x 5.7mm
Weight (carats) 3.8 carats
No Treatment

General Info:

A brilliantly transparent gem, sphene has fire greater than that of diamond! This gem is named from the Greek word for “wedge,” as its crystals are typically wedge shaped, but may be referred to by its mineral name, titanite. Another characteristic sphene possesses is birefringence, or double refraction, meaning that light splits into two rays as it passes through the gem. As a result, the back facets appear as double images, giving the gem a soft, hazy appearance, similar to the doubling seen in zircon.

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11 bids placed so far

$20 vadim1975
$19 veesilva
$19 vadim1975
$17 veesilva
$16 vadim1975
$14 veesilva
$13 fossilesminerauxgems
$12 angelo07
$7 angelo07
$6 veesilva
$1 veesilva
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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 920705
Watchers 12 watching
Viewed 198 times
Starts 22nd Apr 2019 5:56am PDT
Ends 29th Apr 2019 5:56am PDT

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