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Larimar

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About LarimarHide

Formula:
NaCa2Si3O8(OH)
Colour:
Blue, bluish-white, white, gray
Hardness:
5
Specific Gravity:
2.74 - 2.90
Crystal System:
Triclinic
A variety of Pectolite

A trade name for a bluish massive pectolite found in the Dominican Republic and exploited as a gem material.

Originally described from Filipinas Larimar Mine, Los Checheses, Sierra de Baoruco, Barahona Province, Dominican Republic.

Visit gemdat.org for gemological information about Larimar.


Pronounciation of LarimarHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of LarimarHide

Colour:
Blue, bluish-white, white, gray
Comment:
Color caused by copper
Hardness:
Hardness Data:
Measured
Density:
2.74 - 2.90 g/cm3 (Measured)    

Optical Data of LarimarHide

Type:
Biaxial (+)

Chemical Properties of LarimarHide

Formula:
NaCa2Si3O8(OH)

Crystallography of LarimarHide

Crystal System:
Triclinic

Synonyms of LarimarHide

Other Language Names for LarimarHide

Simplified Chinese:蓝色针钠钙石
Traditional Chinese:藍色針鈉鈣石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Pectolite2 photos of Larimar associated with Pectolite on mindat.org.
Calcite1 photo of Larimar associated with Calcite on mindat.org.
Copper1 photo of Larimar associated with Copper on mindat.org.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for LarimarHide

Localities for LarimarHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Dominican Republic
 
  • Barahona Province
    • Sierra de Baoruco
      • Los Checheses
Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Mineral and/or Locality  
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