About

Larimar is a rare blue variety of pectolite, a mineral composed of sodium calcium silicate, known for its striking sea-blue to white hues that evoke the colours of the Caribbean. It is found only in the Dominican Republic, making it a unique and sought-after gemstone.

Birthstones & Anniversaries

Larimar is not a traditional birthstone but is associated with serenity, communication, and the zodiac sign Leo, symbolising clarity, emotional healing, and creativity.

Crystal Healing Energy

The overarching theme of larimar is tranquility and self-expression. Larimar is believed to inspire clear communication, emotional healing, and a connection to the natural world. Its soothing energy is thought to bring peace, balance, and a sense of harmony, making it ideal for reducing stress and encouraging creativity.

Facts

Unique Origin: Larimar is found only in the Dominican Republic, specifically in the Bahoruco region, making it a geographically exclusive gemstone.

Volcanic Formation: Larimar forms in cavities of volcanic basalt, resulting in its distinctive marbled patterns.

Colour Variations: Its colour ranges from pale blue to deep turquoise, often with white or green streaks and patterns.

Historical Name: The name "larimar" is derived from "Larissa", the daughter of its discoverer, and "mar", the Spanish word for sea.

Science

Mineral: Pectolite
Crystal System: Triclinic
Chemistry: NaCa₂Si₃O₈(OH)
Colour: Sea blue, turquoise, white, and sometimes green
Refractive Index: 1.595 to 1.645
Specific Gravity: 2.74 to 2.88
Mohs Hardness: 4.5 to 5

Treatments

Larimar is typically untreated, with its natural hues highly prized. Some stones may be polished to enhance their appearance, but no dyes or artificial enhancements are commonly used.

Synthetics

Synthetic larimar is not commercially available due to the rarity of its composition.

Imitations

Dyed blue howlite and other minerals are sometimes used to mimic larimar. These imitations often lack the unique marbled patterns and translucency of natural larimar.

similar materials

Turquoise: Shares a similar blue colour but is opaque and lacks the marbled patterns of larimar.
Blue Chalcedony: A translucent blue gemstone that may resemble larimar but does not exhibit its unique sea-like patterns.
Amazonite: Another blue-green mineral that can be mistaken for larimar but is typically more uniform in colour.