Entry № 259
Larimar
Acid-sodium-calcium silicate
The dolphin stone of the Caribbean.
Chakra
Throat · Heart
Element
Water
Zodiac
Leo · Pisces

I. The Metaphysical Reading
How the stone has been held.
Larimar is sometimes called the dolphin stone and is linked to the throat chakra, clear communication, and the cooling energy of the sea. Practitioners use it to ease fiery emotions and to speak with both compassion and precision.
- Chakra
- Throat · Heart
- Element
- Water
- Zodiac
- Leo · Pisces
- Keynote
- The dolphin stone of the Caribbean.
II. The Scientific Reading
What the lattice actually does.
Larimar is a rare blue variety of pectolite, a hydrous sodium-calcium silicate. Its distinctive turquoise to sky-blue color is caused by trace copper replacing calcium in the structure. It is found only in the volcanic rocks of the Dominican Republic, making it a single-source gemstone.
- Formula
- NaCa₂Si₃O₈(OH) (pectolite)
- System
- Triclinic
- Hardness
- 4.5 – 5 (Mohs)
- Provenance
- Dominican Republic (Barahona province)
References & Sources
Independent mineralogical references used to verify the scientific details above.
Mineral Profile
Fact Sheet
- Chemical Formula
- NaCa₂Si₃O₈(OH) (pectolite)
- Crystal System
- Triclinic
- Mohs Hardness
- 4.5 – 5 (Mohs)
- Density
- 2.74 – 2.88 g/cm³
- Refractive Index
- 1.59 – 1.63
- Provenance
- Dominican Republic (Barahona province)
- Color Origin
- Blue to blue-green from copper substitution
Related Crystals
Stones that share this lattice
Next in the Atlas
Larvikite
Blue flash from ancient Norwegian stone.




