Green Opal Block 800g Green opal is a rare and sought-after gemstone known for its beauty and unique properties. This 800g green opal block is a true treasure of nature, ideal for lithotherapy and interior decoration. The virtues of green opal The virtues of green opal are numerous and beneficial for physical and emotional well-being. Here are some of its properties: - Soothes tension and stress - Strengthens self-confidence - Stimulates creativity and inspiration - Harmonizes the body's energies - Associated astrological sign: Libra Green opal is particularly beneficial for those born under the astrological sign of Libra.