Each precious stone has its own special energetic vibration from its magnetic field. Gemstones have been recognized since Ancient times - they were mentioned in the gemology section in Naturalis Historia by Pliny the Elder and also in the Mediaeval Age by the Dominican monk Alberto Magno.
They were also very much used in Ayurvedic medicine in the form of dust, or infusions or dipped in water. The influence of the stones associated to the planets extends to the Zodiac, thus giving us the idea of the stone linked to a Sign.
When discussing crystals or gemstones, the most common question is knowing which one is linked to one's own particular Sign. Zingastro offers you a synthetic yet complete reference manual for you to discover which gemstones are linked to your sign.