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8.29 ctw Cabochon Mixed Tanzanite Parcel

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8.29 ctw Cabochon Mixed Tanzanite Parcel

Lot 0431 Details

Description
Two oval cabochon cut natural tanzanites, measuring 10.50 x 8.00 x 5.20mm, exact total weight 8.29ct., clarity is heavily included, type I, dark, moderately strong, violetish blue color, (GIA vB 7/4), cut is good. Transmitting light somewhat diffusely, transparent to translucent. Naturally occurring internal & external characteristics are present. Measurements & the color grade are an average for the pair. 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 $800.00.
Condition
Good
Buyer's Premium
  • 19.75%

8.29 ctw Cabochon Mixed Tanzanite Parcel

Estimate $600 - $800
Jun 23, 2019
Starting Price $1
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Ships fromWestlake Village, CA, United States
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0431: 8.29 ctw Cabochon Mixed Tanzanite Parcel

Sold for $180
5 Bids
Est. $600 - $800Starting Price $1
FAA Summer Weekends - Sunday
Sun, Jun 23, 2019 12:00 PM
Buyer's Premium 19.75%

Lot 0431 Details

Description
...
Two oval cabochon cut natural tanzanites, measuring 10.50 x 8.00 x 5.20mm, exact total weight 8.29ct., clarity is heavily included, type I, dark, moderately strong, violetish blue color, (GIA vB 7/4), cut is good. Transmitting light somewhat diffusely, transparent to translucent. Naturally occurring internal & external characteristics are present. Measurements & the color grade are an average for the pair. 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 $800.00.
Condition
...
Good

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