These Red Mahogany Obsidian 4/5 stones weigh 6g. Obsidian is an opaque volcanic glass. It is not a true crystal. The distinctive mottled red appearance of Mohogany Obsidian is due to a high iron content. Obsidian is helpful in releasing negative energies that result in irritability, nervousness and restlessness. Obsidian is often worn to guard against hostility, negativity, demanding people and unwelcome spiritual entities. It eases tension, especially in the home.
