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Filipinas Larimar Mine, Los Checheses, Sierra de Baoruco, Barahona Province, Dominican Republic

This region is the only locality of a blue (copper-bearing?) variety of pectolite called "larimar". The material, formed by hydrothermally altered volcanic rocks, was (re)discovered in 1974 and used as gem/ornamental stone.

Ref.:
- N. Jb. Miner., Mh., Jg. 1991, H.1, 14 - 22
- Lapis 21(1), 1996
- http://www.larimarmuseum.org/larimarinfo.html [Link dead. Jun 2011]

References

Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.

Mineral List

'Apatite'
Calcite
Chalcocite
'Charcoal'
'Clinopyroxene Subgroup'
Copper
Cuprite ?
Forsterite
Hematite
Magnetite
Malachite
Natrolite
Pectolite
var: Larimar
'Pumice'
Quartz
var: Chalcedony

'Serpentine Group'
Talc


18 entries listed. 11 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 23rd Jun 2011 12:19:25
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