1.40 Carat Natural Tanzanite 6.7 mm Round Faceted Gemstone Loose Minerals and transition to a purplish-pink

and transition to a purplish-pink to reddish-purple tone under incandescent light

and they appear to be cultured

Its opaque Chalcedony base

with a few more on the front of the bale

particularly in well-cut specimens

1.40 Carat Natural Tanzanite 6.7 mm Round Faceted Gemstone Loose Minerals and transition to a purplish-pinkGorgeous round faceted natural Tanzanite mined in Tanzania, approximately 1. 40 Carats and 6. 74 x 6. 71 x 4. 41 mm. This beautiful violetish slightly greenish blue gemstone has a medium light tone and slightly grey saturation, with medium strong color zoning, and is eye clean. Although not an inclusion, there is a crescent shaped natural cavity in one of the back facets that can show through the table at a specific viewing angle. New and ships in a