These beads are dyed cultured freshwater pearls. The beads are 6-7mm and each are shaped like a flat-sided potato. These beads are D grade and have a Mohs hardness of 2-1/2 to 4. Price is per 16-inch strand. Click on the following link to view my shop: https://www.etsy.com/shop/PammysPebbles?ref=seller-platform-mcnavThere are more listings to come.