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Mayarí District, Mayarí-Baracoa Belt, Holguín Province, Cubai
Regional Level Types
Mayarí DistrictDistrict
Mayarí-Baracoa BeltBelt
Holguín ProvinceProvince
CubaCountry

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Mayarí-Nikaro mafic-ultramafic massif. Chrome deposits with Cr-rich chromite.

Regions containing this locality

North America PlateTectonic Plate
The CaribbeanRegion

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Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

6 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

Chromite
Formula: Fe2+Cr3+2O4
Reference: Gervilla, F., Proenza, J. A., Frei, R., González-Jiménez, J. M., Garrido, C. J., Melgarejo, J. C., ... & Lavaut, W. (2005). Distribution of platinum-group elements and Os isotopes in chromite ores from Mayarí-Baracoa Ophiolitic Belt (eastern Cuba). Contributions to Mineralogy and Petrology, 150(6), 589-607.
Erlichmanite
Formula: OsS2
Reference: Gervilla, F., Proenza, J. A., Frei, R., González-Jiménez, J. M., Garrido, C. J., Melgarejo, J. C., ... & Lavaut, W. (2005). Distribution of platinum-group elements and Os isotopes in chromite ores from Mayarí-Baracoa Ophiolitic Belt (eastern Cuba). Contributions to Mineralogy and Petrology, 150(6), 589-607.
Irarsite
Formula: (Ir,Ru,Rh,Pt)AsS
Reference: Gervilla, F., Proenza, J. A., Frei, R., González-Jiménez, J. M., Garrido, C. J., Melgarejo, J. C., ... & Lavaut, W. (2005). Distribution of platinum-group elements and Os isotopes in chromite ores from Mayarí-Baracoa Ophiolitic Belt (eastern Cuba). Contributions to Mineralogy and Petrology, 150(6), 589-607.
Laurite
Formula: RuS2
Reference: Gervilla, F., Proenza, J. A., Frei, R., González-Jiménez, J. M., Garrido, C. J., Melgarejo, J. C., ... & Lavaut, W. (2005). Distribution of platinum-group elements and Os isotopes in chromite ores from Mayarí-Baracoa Ophiolitic Belt (eastern Cuba). Contributions to Mineralogy and Petrology, 150(6), 589-607.
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Dana 8:1419
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: Lazarenkov, V.G., Tikhomirov, I.N., Zhidkov, A.Y., and Talovina, I.V. (2005): Lithology and Mineral Resources 40(6), 521-527.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Erlichmanite2.EB.05aOsS2
Irarsite2.EB.25(Ir,Ru,Rh,Pt)AsS
Laurite2.EB.05aRuS2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Group 9 - Silicates
Lizardite9.ED.15Mg3(Si2O5)(OH)4
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Erlichmanite2.12.1.16OsS2
Irarsite2.12.3.7(Ir,Ru,Rh,Pt)AsS
Laurite2.12.1.10RuS2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 clays
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H LizarditeMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
OOxygen
O ChromiteFe2+Cr23+O4
O LizarditeMg3(Si2O5)(OH)4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
NaSodium
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mg LizarditeMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Si LizarditeMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
SSulfur
S Irarsite(Ir,Ru,Rh,Pt)AsS
S LauriteRuS2
S ErlichmaniteOsS2
CrChromium
Cr ChromiteFe2+Cr23+O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe ChromiteFe2+Cr23+O4
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As Irarsite(Ir,Ru,Rh,Pt)AsS
RuRuthenium
Ru Irarsite(Ir,Ru,Rh,Pt)AsS
Ru LauriteRuS2
RhRhodium
Rh Irarsite(Ir,Ru,Rh,Pt)AsS
OsOsmium
Os ErlichmaniteOsS2
IrIridium
Ir Irarsite(Ir,Ru,Rh,Pt)AsS
PtPlatinum
Pt Irarsite(Ir,Ru,Rh,Pt)AsS

Localities in this Region
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