Olivine Volcanic Bomb | Lava Coated Crystal | 48.3 gr | Mt Shadwell Volcano, Australia | SO24 925 silver Size: 41x18mm (28cm incl chain)

Size: 41x18mm (28cm incl chain)

the year commercial mining of ammolite began

3 gram Metal Ore Copper rich Impact Breccia from the famous Sudbury Astrobleme Impact Structure in Ontario Canada

These small individual specimens are great as teaching tools in the home or in the classroom

Olivine Volcanic Bomb | Lava Coated Crystal | 48.3 gr | Mt Shadwell Volcano, Australia | SO24 925 silver Size: 41x18mm (28cm incl chain)An 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