Tanzanite 2.25 Ct Natural Tanzanite ! Eye Catching

Item Information

Dimensions (mm) 2.9 x 4.2 x 4.2mm
Weight (carats) 2.25 carats
  • No Treatment

Tanzanite Gemstone :

Tanzanite is the blue and violet variety of the mineral zoisite (a calcium aluminium hydroxyl sorosilicate), caused by small amounts of vanadium.[3] Tanzanite belongs to the epidote mineral group. Tanzanite is only found in Tanzania, in a very small mining area (approximately 7 km (4.3 mi) long and 2 km (1.2 mi) wide)[4] near the Mererani [sw] Hills.[5]

Tanzanite is noted for its remarkably strong trichroism, appearing alternately blue, violet and burgundy depending on crystal orientation.[6] Tanzanite can also appear differently when viewed under different lighting conditions. The blues appear more evident when subjected to fluorescent light and the violet hues can be seen readily when viewed under incandescent illumination. In its rough state tanzanite is colored a reddish brown to clear, and it requires heat treatment to remove the brownish "veil" and bring out the blue violet of the stone.[7]

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Treatment None

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14 bids placed so far

$20 mickel
$19 bieder2332
$18 mickel
$17 bieder2332
$16 mickel
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$14 mickel
$13 robgem
$12 dokkaflocka
$6 robgem
$5 andrew81
$3 andrew81
$2 haniel000
$1 andrew81
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Audit Information

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1820403
Watchers 10 watching
Viewed 118 times
Starts 20th Apr 2022 11:26am PDT
Ends 24th Apr 2022 11:26am PDT

Shipping & Insurance

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Kenya-treasure Details

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