Dimensions: 57x42x27 mm / 2

7 grams / 9

partially crusted

Amethyst ranges in color from light purple to deep violet

Blue zircon

Olivine Volcanic Bomb Slice | Lava Rock Crystal | 71.2 gr, | Mt Shadwell Volcano, Australia | SO24 Moonstone Dimensions: 57x42x27 mm / 2Volcanic bombs are large clots of volcanic lava rock 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 they are thrown through the air. When these volcanic lava rocks contain olivine crystals, they are referred to as olivine volcanic bombs. Mount Shadwell, a dormant volcano, was formed 25,000 years ago and is believed to have last erupted about