PEN-PREHPP-01 Origin: South Africa Grade: A Discover the properties of our flat stone prehnite pendant Dimensions: Approximately 35-40mm Weight: Approximately 7g Origin: South Africa Quality: A = good * Flat prehnite stone approximately 30-35mm with a steel bail (may vary from one stone to another). Colors and patterns may vary from one stone to another. * Jade is a calcium and magnesium silicate ranging from green to black, composed of iron and chromium which gives it its color. Astrological signs: Pisces, Libra, and Cancer. Chakra classification: Sacral chakra, forehead, or solar plexus.