Larimar
Variety NaCa2Si3O8(OH)
Also called Blue pectolite
Take care.
- Fades or changes in light: Keep it in the dark, out of sunlight and bright display lights.
About it
Sky-blue pectolite with white patterns like light on water, found only in Barahona province in the Dominican Republic. Its colour can fade with long exposure to sunlight.
- Type
- Variety
- Group
- Pectolite variety
- Formula
- NaCa2Si3O8(OH)
- Hardness (Mohs)
- 4.5–5
- Specific gravity
- 2.74–2.9
- Streak
- white
- Lustre
- vitreous (glassy), silky
- Crystal system
- Triclinic
- Colours
- sky blue, blue-green, white, mottled
- Transparency
- translucent, opaque
- Cleavage and fracture
- perfect in two directions; splintery fracture
Typical values: real specimens vary. For more, see mindat.org.