This impactite was formed years ago when many meteorites crashed into the earth making all those craters which produced the impact glass

it has largely been replaced in modern mineralogy by the more general name green epidote

Name: Olivine Crystal Bomb Slice

Cat's Eye Chrysoberyl comes in various colors

Here we have for you a nice looking individual fragment of a Sahara Desert NWA unclassified meteorite weighing 52

Volcanic Bomb | Rock Lava Crystal | 34-60 gr | Mt Shadwell Volcano, Australia | SO24 Size:B (44x32x22 mm) This impactite was formed yearsA volcanic bomb is a type of volcanic rock that contains crystals and has been ejected during a volcanic eruption. These are minerals that are commonly found in the Earth's mantle and 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 they are thrown through the air. These pieces have