Stone Name: Mahogany Obsidian Origin: India ASTROLOGICAL SIGN: Libra, ScorpioCHAKRA: Root & Sacral ChakraPLANETS: Earth MOHS HARDNESS: 5 to 5.5 HardnessNUMERICAL VIBRATION: 4 Mahogany Obsidian off spring of Heaven and Earth’s marriage. Since the beginning of formation of this universe, they...