with a microstructure inherited from the shell

yellowish brown

Tektites exhibit a number of meteoritic features

it measures 39x28x19

Weight:  46

Tanzanite | 10 Piece Gemstone Lot | Trilliant Cut | 2.6tcw | SO24 Iolite with a microstructure inherited fromProduct Type: Tanzanite 10 Piece Lot Approx Weight (per lot): 2. 6tcw Size: 3mm 5. 4mm Shape: 9 Trilliant Cut (or Trillion Cut) & 1 Pear Shape Color: purple and pale green Clarity: SI (Slightly Included) Origin: Tanzania Tanzanite is renowned for its intense blue and violet colors, but can also be golden, green, lilac and peacock (blue and green). The sole source of tanzanite is the Merelani Hills in northern Tanzania. Discovered in the 1960s,