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Ipirá complex, Bahia, Brazili
Regional Level Types
Ipirá complexComplex
BahiaState
BrazilCountry

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Key
Locality type:


More than 30 apatite ocurrences are spread in a SE-NW belt, compromising several municipalities from Ipirá (SE portion) to Capim Grosso (NW portion).

Main deposits are located at Pilão, Lagoa do Mel, Apolônio and Panelas-Retiro farms.

Dark blue to greenish blue fluorapatite crystals (from mm to m) are relatively common in the whole area, associated with vermiculite and other minerals. Most of the fluorapatite crystals contain several fractures, usually filled by U and Th oxides.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

9 valid minerals.

Detailed Mineral List:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 9 localities in this region.
Reference: Projeto Apatita - DNPM
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Projeto Apatita - DNPM
Calcite
Formula: CaCO3
Reference: Projeto Apatita - DNPM
Corundum
Formula: Al2O3
Reference: Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (p. 124).
Corundum var: Sapphire
Formula: Al2O3
Reference: Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (p. 124).
Diopside
Formula: CaMgSi2O6
Reference: Projeto Apatita - DNPM
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Projeto Apatita - DNPM
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Projeto Apatita - DNPM
Meionite
Formula: Ca4Al6Si6O24CO3
Reference: Projeto Apatita - DNPM
Opal
Formula: SiO2 · nH2O
Reference: Projeto Apatita - DNPM
Quartz
Formula: SiO2
Reference: Projeto Apatita - DNPM
Quartz var: Chalcedony
Formula: SiO2
Reference: Projeto Apatita - DNPM
'Scapolite'
Localities: Reported from at least 6 localities in this region.
Reference: Projeto Apatita - DNPM
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Localities: Reported from at least 8 localities in this region.
Reference: Projeto Apatita - DNPM

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Meionite9.FB.15Ca4Al6Si6O24CO3
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)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Scapolite'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
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
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Corundum
var: Sapphire
-Al2O3
Meionite-Ca4Al6Si6O24CO3
Quartz
var: Chalcedony
-SiO2
'Scapolite'-

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H OpalSiO2 · nH2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
C MeioniteCa4Al6Si6O24CO3
C CalciteCaCO3
OOxygen
O ApatiteCa5(PO4)3(Cl/F/OH)
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O MeioniteCa4Al6Si6O24CO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O OpalSiO2 · nH2O
O Quartz (var: Chalcedony)SiO2
O DiopsideCaMgSi2O6
O FluorapatiteCa5(PO4)3F
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O QuartzSiO2
O Corundum (var: Sapphire)Al2O3
O CorundumAl2O3
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
NaSodium
Na MeioniteCa4Al6Si6O24CO3
MgMagnesium
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
AlAluminium
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al MeioniteCa4Al6Si6O24CO3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Corundum (var: Sapphire)Al2O3
Al CorundumAl2O3
SiSilicon
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si MeioniteCa4Al6Si6O24CO3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si OpalSiO2 · nH2O
Si Quartz (var: Chalcedony)SiO2
Si DiopsideCaMgSi2O6
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si QuartzSiO2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
P FluorapatiteCa5(PO4)3F
SSulfur
S MeioniteCa4Al6Si6O24CO3
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl MeioniteCa4Al6Si6O24CO3
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca MeioniteCa4Al6Si6O24CO3
Ca DiopsideCaMgSi2O6
Ca FluorapatiteCa5(PO4)3F
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
FeIron
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Projeto Apatita - DNPM

External Links


Localities in this Region

Other Regions, Features and Areas that Intersect

South America PlateTectonic Plate

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