For sale is 2 piece of Tasmanian Darwin Glass tektite found on the West Coast of Tasmania, Australia. The first piece is a thin sheet piece with a few translucent patches. This piece kind of reminds us of a curtain. 6 grams 3 x 2.3 x 1.4 cm The second piece is a bubbly/frothy layered piece which is a nice specimen. 6 grams 3.2 x 2.2 x 1cm. So there is a total of 12 grams of Darwin Glass.