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13.18 ctw Oval Mixed Tanzanite Parcel

Currency:USD Category:Jewelry / Loose Diamonds & Gemstones Start Price:1.00 USD Estimated At:1,000.00 - 1,270.00 USD
13.18 ctw Oval Mixed Tanzanite Parcel
High End Watches, Exotic Antiques, Cars, Gold, Vintage & Collectible Coins, and Jewelry.
One hundred two oval mixed cut natural tanzanites, measuring 4.50 x 2.00 x 1.30mm, exact total weight 13.18ct., clarity is slightly included, type I, medium, very slightly grayish, bluish violet color, (GIA bV 5/3), cut is good. Transmitting light with a minimum of distortion, transparent, Naturally occurring internal & external characteristics are present. Measurements & the color grade are 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 $1,270.00.

High End Watches, Exotic Antiques, Cars, Gold, Vintage & Collectible Coins, and Jewelry.