Listing is for Set of 18 Pieces of this Gemstone Stone - Sagentic Quartz Size - 9x12 mm to 9x30 mm Shape - Organic Weight - 108.75 Carats Treatment - No Treatment 100% natural & genuine Measurements & weight are close approximations. Note: Color may vary due to characteristics of the natural stone. Natural Sagentic Quartz Smooth Organic Loose Gemstone, 9x12 Mm To 9x30 Mm, Super Seven, Jewelry, Gift For Women, Set Of 18 Pieces