Larimar is a rare gemstone that is found only in a limited area of the Dominican Republic in the Caribbean. It is a type of blue pectolite, a mineral that is formed from volcanic activity.

The name "larimar" comes from the Spanish word "mar," meaning "sea," and the name of the gemstone's discoverer's daughter, Larissa. The gemstone is also sometimes referred to as the "Atlantis stone," due to its supposed connection to the ancient lost city.

Larimar is known for its beautiful blue color, which can range from light blue to turquoise to deep blue-green. The stone is often streaked with white or gray, which adds to its unique appearance. Larimar is often cut into cabochons, beads, or other shapes for use in jewelry.

Many people believe that larimar has a calming and soothing energy, and that it can help to reduce stress and anxiety. It is also said to promote communication and self-expression, and to help with spiritual growth and healing.