Aktobe Region in Kazakhstan is a must in any collection

It weighs 16

There is not a lot of fusion crust

These shells are highly valued for their ornamental and decorative purposes

This is a must have 217

Olivine Volcanic Bomb | Lava Coated Crystal | 23 gr | Mt Shadwell Volcano, Australia | SO24 H5 Aktobe Region in Kazakhstan isAn 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