Octagons 17

Its dimensions are 127x104x10 mm

The specimen came from the Earl Calvert Collection

Product Type: Sunset Sapphire

It is found globally

Olivine Volcanic Bomb | Lava Rock Crystal | 32.5 gr | Mt Shadwell Volcano, Australia GardnosCrater Octagons 17An 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