Cowrie Shells - Bag of 5 Shells £2.50 Quantity: at £2.50 each 2 in stock. Not exactly crystals but it feels right putting them in this section! Cowrie shells with a pre drilled hole so they can be used for jewellery, offering on your altar to the Goddess, in spell work, mojo bags etc. Use in love spells and have powerful healing properties. Pack of 5.