This product is a 1 lb 13 oz natural blue vein polished stone crystal mineral specimen, specifically quartz crystal. The shape of the specimen is natural, showcasing the beauty and uniqueness of the crystal. This item is perfect for collectors or those interested in the healing properties of crystals. The blue vein adds a visually appealing element to the overall aesthetics of the mineral specimen. It was purchased at a Gem, Mineral & Fossel Show many years ago.