gemstone
Larimar
Pectolite (NaCa2Si3O8(OH))
Hardness: 4.5 to 5 on the Mohs scale. Color: Light blue, sky blue, greenish-blue, or white with characteristic white wave-like patterns. Luster: Vitreous to silky. Crystal structure: Triclinic. Specific gravity: 2.70 to 2.90.
- Hardness
- 4
- Luster
- Vitreous to silky
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Physical properties
Hardness: 4.5 to 5 on the Mohs scale. Color: Light blue, sky blue, greenish-blue, or white with characteristic white wave-like patterns. Luster: Vitreous to silky. Crystal structure: Triclinic. Specific gravity: 2.70 to 2.90.
Formation & geological history
Formed within volcanic cavities in basaltic lava by hydrothermal solutions precipitating minerals. Estimated age is Miocene epoch.
Uses & applications
Primarily used in high-end jewelry, cabochons, carvings, and as a collector's specimen.
Geological facts
Also known as the 'Atlantis Stone', Larimar is a rare variety of pectolite found exclusively in one single location on Earth, making it a highly sought-after gem for collectors.
Field identification & locations
Easily identified by its distinct oceanic blue color combined with a unique white mottled pattern resembling sunlight reflecting on Caribbean water. Found almost exclusively in the Barahona province of the Dominican Republic.
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