usually from precipitation out of highly saline waters

many man-made steels barely score a seven on the hardness scale

Weight: 519 Grams / 1 Lbs 2 Ounces

Name: Biotite Mica

Henbury Impactite | Vesicular Impact Glass | 2.51 Gr | Awesome Rare | Henbury N.T. Australia | SO24 Vanadinite usually from precipitation out ofThis is an outstanding Impact Melt Glass specimen or bomb weighing 2. 51 grams. Its dimensions are 21x19x15 mm. Although not a meteorite, impactites are directly linked to them and their impacts. This Henbury glass, or more specifically vesicular impactite, was found in the Northern Territory of Australia. Thirteen craters were found 8 miles southwest of the town of Henbury, the largest of which was 720 x 360 feet. Henbury impactite was formed by a