Larimar stone. also known as blue pectolite and dolphin stone, is a pectolite crystal, found on islands in the Caribbean. It is a relatively new metaphysical crystal, first being mined in the 1970s, although it was first discovered earlier in the century. The name “Larimar” comes from a combination of Larissa and Mar and was given to the stone by a Dominican who named the stone after his daughter Larissa and Mar, the Spanish word for sea. Reflecting the azure blue waters of the sea.