gemstone
Larimar
Pectolite (NaCa2Si3O8(OH))
AI-generated identification · may be incorrectHardness of 4.5 to 5 on the Mohs scale, distinct oceanic blue to turquoise coloration with white webbing, silky to vitreous luster, and a triclinic crystal system.
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Physical properties
Hardness of 4.5 to 5 on the Mohs scale, distinct oceanic blue to turquoise coloration with white webbing, silky to vitreous luster, and a triclinic crystal system.
Formation & geological history
Formed in hydrothermal cavities within Miocene basaltic volcanic rocks, where hot mineral-rich fluids precipitated fibrous pectolite crystals.
Uses & applications
Primarily cut, polished, and set into high-end silver and gold jewelry or carved into decorative ornamental items.
Geological facts
Larimar is a rare variety of pectolite found exclusively in the Dominican Republic, making it the only gemstone of its kind in the Caribbean.
Field identification & locations
Identified easily by its unique volcanic matrix and mottled oceanic blue patterns; found almost exclusively in the Barahona province of the Dominican Republic.
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