This is a large piece of Augite and Scapolite crystal from Ontario

including Agate

Product Type: Moldavite (Impactite Green Melt Glass)

The specimen has all crystal faces and terminations

The individual gemstone beads are rectangular in shape and range in size from 6-9x4

Olivine Volcanic Bomb | Lava Coated Crystal | 90 gr | Mt Shadwell Volcano, Australia | SO24 Malachite This is a large pieceAn 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