Color: Top Green

Dimensions:  49x39x27 mm / 1

5 million years ago in Malmian or Jurassic limestone when a meteorite crashed into the earth making a ~10 miles wide crater named the Ries crater in Germany

Specimen Size:  Miniature-Sized

Dimensions:  49x43x27 mm / 1

Olivine Volcanic Bomb Slice | Lava Coated Crystal | 222 gr | Mortlake, Victoria, Australia | SO24 Australite Color: Top GreenAn olivine volcanic bomb is a type of volcanic rock that contains olivine crystals and has been ejected during a volcanic eruption. Olivine is a mineral that is commonly found in the Earth's mantle and is one of the first minerals to crystallize as magma cools. Volcanic bombs are large clots of lava that are ejected from a volcano during an explosive eruption. They can vary in size, and their shapes are often streamlined due to their molten nature as