Ice Obsidian 13x18mm Rectangle - 8-Inch 10x12-12x16 Ancient Egyptians sometimes buried their

Ancient Egyptians sometimes buried their dead with amulets of Jasper for safe passage into the afterlife

Amethyst is a beautiful stone (normally purple)

These inclusions are chromite

Dutch Colonel Hendrik Von Prehn

Mica is heat-resistant and does not conduct electricity

Ice Obsidian 13x18mm Rectangle - 8-Inch 10x12-12x16 Ancient Egyptians sometimes buried theirIce Obsidian is a light brown to green to gray volcanic stone. Obsidian is formed when felsic lava cools without crystal growth. It is sometimes used for scalpel blades in cardiac surgery, as Obsidian can be formed into a blade many times sharper than steel surgical blades.