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Mineralogist and Martin Altmann
tree-like formations
Color: Multicolor
ranging from blues and greens to pinks and purples
Olivine Volcanic Bomb Slice | Lava Coated Crystal | 222 gr | Mortlake, Victoria, Australia | SO24 Amphibole Mineralogist and Martin AltmannAn 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
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