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Filipinas Larimar Mine, Los Checheses, Sierra de Baoruco, Barahona Province, Dominican Republici
Regional Level Types
Filipinas Larimar MineMine
Los Checheses- not defined -
Sierra de BaorucoSierra
Barahona ProvinceProvince
Dominican RepublicCountry

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Key
Latitude & Longitude (WGS84):
18° 7' 8'' North , 71° 8' 35'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
La Ciénaga2,875 (2016)6.8km
Santa Cruz de Barahona77,160 (2016)10.9km
Paraíso6,490 (2016)14.4km
Cachón1,903 (2016)15.2km
Polo2,121 (2016)15.9km


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.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

''
Localities:
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Anthony Kampf analysis of Rock Currier specimen.
Calcite
Formula: CaCO3
Reference: Steiner (1996) Lapis 21(1)
Chalcocite
Formula: Cu2S
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Chalcopyrite
Formula: CuFeS2
Reference: Cosme R. Pérez-Puig collection
'Charcoal'
Formula: C
Reference: Rock Currier, pers. comm.; Alfredo Petrov, field observations; also as "carbon" in Woodruff & Fritsch (1989) Gems and Gemology, winter, 216-225.; http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-2.pdf - 2nd part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)
'Chlorite Group'
Reference: http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-2.pdf - 2nd part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)
'Clinopyroxene Subgroup'
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Copper
Formula: Cu
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Cuprite ?
Formula: Cu2O
Reference: Rock Currier, pers. comm.
Forsterite
Formula: Mg2SiO4
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Hematite
Formula: Fe2O3
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Alfredo Petrov collection
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Alfredo Petrov field observations, January 2011.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Pectolite
Formula: NaCa2Si3O8(OH)
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Pectolite var: Larimar
Formula: NaCa2Si3O8(OH)
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
Quartz
Formula: SiO2
Reference: Steiner (1996) Lapis 21(1)
Quartz var: Chalcedony
Formula: SiO2
Reference: Steiner (1996) Lapis 21(1)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Robert Woodruff and Emmanuel Fritsch (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, winter 1989, 216-225.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-2.pdf - 2nd part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)
Talc
Formula: Mg3Si4O10(OH)2
Reference: Charles A. Mark, pers. comm.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-2.pdf - 2nd part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Group 4 - Oxides and Hydroxides
Cuprite ?4.AA.10Cu2O
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Pectolite9.DG.05NaCa2Si3O8(OH)
var: Larimar9.DG.05NaCa2Si3O8(OH)
Talc9.EC.05Mg3Si4O10(OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Unclassified Minerals, Rocks, etc.
''-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Charcoal'-C
'Chlorite Group'-
'Clinopyroxene Subgroup'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite ?4.1.1.1Cu2O
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
''-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Charcoal'-C
'Chlorite Group'-
'Clinopyroxene Subgroup'-
Pectolite
var: Larimar
-NaCa2Si3O8(OH)
Quartz
var: Chalcedony
-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H Pectolite (var: Larimar)NaCa2Si3O8(OH)
H ApatiteCa5(PO4)3(Cl/F/OH)
H TalcMg3Si4O10(OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H PectoliteNaCa2Si3O8(OH)
H MalachiteCu2(CO3)(OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
C CharcoalC
OOxygen
O MagnetiteFe2+Fe23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O Pectolite (var: Larimar)NaCa2Si3O8(OH)
O ApatiteCa5(PO4)3(Cl/F/OH)
O TalcMg3Si4O10(OH)2
O NatroliteNa2Al2Si3O10 · 2H2O
O HematiteFe2O3
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O PectoliteNaCa2Si3O8(OH)
O MalachiteCu2(CO3)(OH)2
O ForsteriteMg2SiO4
O QuartzSiO2
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O CupriteCu2O
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na Pectolite (var: Larimar)NaCa2Si3O8(OH)
Na NatroliteNa2Al2Si3O10 · 2H2O
Na PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg TalcMg3Si4O10(OH)2
Mg ForsteriteMg2SiO4
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al NatroliteNa2Al2Si3O10 · 2H2O
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si Pectolite (var: Larimar)NaCa2Si3O8(OH)
Si TalcMg3Si4O10(OH)2
Si NatroliteNa2Al2Si3O10 · 2H2O
Si Quartz (var: Chalcedony)SiO2
Si PectoliteNaCa2Si3O8(OH)
Si ForsteriteMg2SiO4
Si QuartzSiO2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S ChalcociteCu2S
S ChalcopyriteCuFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca Pectolite (var: Larimar)NaCa2Si3O8(OH)
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca CalciteCaCO3
Ca PectoliteNaCa2Si3O8(OH)
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe HematiteFe2O3
Fe ChalcopyriteCuFeS2
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu CopperCu
Cu ChalcociteCu2S
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Woodruff, Robert and Fritsch, Emmanuel (1989) Blue pectolite from the Dominican Republic. Gems & Gemology, Winter 1989, 216-225.
Neues Jahrbuch für Mineralogie (1991) Monatshefte, 1, 14-22.
Lapis (1996) 21(1).
Espí and Pérez-Puig (2009) Publicación tecnológica y docente de la Escuela de Minas de Madrid, 6, 102-113 (in Spanish).

External Links

http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-1.pdf - 1st part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)

http://www.ige.org/archivos/laboratorio/mineria_del_Larimar_en_la_Republica_Dominicana-2.pdf - 2nd part of the article by Espí & Pérez-Puig (2009) at Publicación tecnológica y docente de la Escuela de Minas de Madrid. Nº6, 2009, pp. 102-113. (in Spanish)

http://www.larimarmuseum.com/

Other Regions, Features and Areas containing this locality

Caribbean PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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