Olivine Volcanic Bomb | Lava Coated Crystal | 1.45 Kg, | Mt Shadwell Volcano, Australia Carbonaceous Name: Smoky Quartz

Name: Smoky Quartz

Tagish Lake appears to be intermediate between CM and CI chondrites

Shape:  Oval Cabochon

although it can also occur in shades of green

Olivine Volcanic Bomb | Lava Coated Crystal | 1.45 Kg, | Mt Shadwell Volcano, Australia Carbonaceous Name: Smoky QuartzVolcanic 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