Stone Name: Mahogany ObsidianOrigin: India ASTROLOGICAL SIGN: Libra, ScorpioCHAKRA: Root & Sacral ChakraPLANETS: Earth MOHS HARDNESS: 5 to 5.5 HardnessNUMERICAL VIBRATION: 4 Mahogany Obsidian is a powerful stone that can help to ground and protect you. It can also help...