Olivine Volcanic Bomb | Lava Coated Crystal | 1.45 Kg, | Mt Shadwell Volcano, Australia Carbonaceous This cluster is comprised of

This cluster is  comprised of Dolomite with a patch of terminated calcite

8 Carats / 12

The thin part slice measures 11x7 mm and is placed onto a silver medallion measuring 34x18x2mm

Tagish Lake appears to be intermediate between CM and CI chondrites

Name: Smoky Quartz

Olivine Volcanic Bomb | Lava Coated Crystal | 1.45 Kg, | Mt Shadwell Volcano, Australia Carbonaceous This cluster is comprised ofVolcanic 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