Origin: Namibia A lot is composed of 200 grams of stone: Size of a stone 2 - 5 cm approximately Number of stones 10-20 stones approximately Natural materials such as rolled stone may have slight defects, each stone is unique. Properties of blue chalcedony: - Effective in the field of insurance in public - Improves self-expression & communication - Combats stutters - Strengthens self-confidence and memory - Fight against stress and shyness Care: Purify in distilled salt water. Recharge on a quartz cluster under lots of sunlight Chakra: Throat chakra Astrological signs: Gemini, Sagittarius, Cancer, Capricorn