×
Weekly Auctions of Exceptional Items
0 selections
Log In
0 selections
lots of lots
Lot 0157
Twelve oval mixed cut natural tanzanites exact total weight 11.40ct., clarity is moderately included, type I, medium dark, very slightly grayish, bluish violet color, (GIA bV 6/3), cut is good. Transmitting light with a minimum of distortion, transparent. Naturally occurring internal & external characteristics are present. Color grade is an average for the group. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany & Company, named the stone Tanzanite. It is found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Tanzanite occurs in gray, brown, violet, blue, reddish-purple, & green. The gem is interesting because of its exceptional pleochroism. Rotated in different directions a tanzanite will exhibit multiple changes of color. Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method. Westfield Appraised at $1,095.00.

Condition

Good

Starting Bid

$1.00

Buyer's Premium

  • 19.75%

11.4 ctw Oval Mixed Tanzanite Parcel

|
Estimate $850 - $1,095
|Sell a Similar Item
Bidder
Bid
Competing Bid
$200.00
Competing Bid
$190.00
Competing Bid
$180.00
Competing Bid
$170.00
Internet Bid
$1.00
Starting Bid
$1.00