There is not a lot of fusion crust

These crystals often exhibit a prismatic or pseudo-cubic habit and have a vitreous luster

Weight:  731 grams / 1 lb 9 ounces

Color: Light Brown

Olivine Volcanic Bomb | Lava Coated Crystal | 23 gr | Mt Shadwell Volcano, Australia | SO24 H5 There is not a lotAn 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