In Egyptian mythology, Isis was the wife of Osiris, the god of the afterlife, and the mother of Horus, the god of the sun. Isis is most closely associated with being a mourner, protector, and a mother. Symbols used to represent Isis include the moon disk, cow horns, wings, the kite hawk, and sycamore trees.
Obsidian forms when felsic lava, rich in silica, cools extremely rapidly, preventing the formation of mineral crystals.
