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Bemoka pegmatite, Berere Pegmatite Field, Bekapaika Commune, Tsaratanàna District, Betsiboka Region, Mahajanga Province (Majunga), Madagascar

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 16° South , 47° East (est.)
Margin of Error:~28km
Locality type:Pegmatite
Köppen climate type:Am : Tropical monsoon climate
Name(s) in local language(s):Bemoka, Pegmatitan'i Berere, Distrikan'i Tsaratanána, Faritr'i Betsiboka, Faritanin'i Mahajanga, Madagasikara


A NYF pegmatite, Monazite-thortveitite subtype situated about 800 m SW for the center of exploitation in Berere.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Biotite'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
'commodity:Coltan (Columbite-Tantalite)'
Reference:  
'Columbite-Tantalite'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
'Feldspar Group'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
'Feldspar Group var: Perthite'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
'Monazite'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 20
'Pegmatite'
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 19-20
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Thortveitite
Formula: Sc2Si2O7
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Thortveitite var: Befanamite
Formula: Sc2Si2O7
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Xenotime-(Y)
Formula: Y(PO4)
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 20
Zircon
Formula: Zr(SiO4)
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, 20
Zircon var: Malacon
Formula: Zr(SiO4)
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, 20

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates
'Xenotime-(Y)'8.AD.35Y(PO4)
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
'Spessartine'9.AD.25Mn2+3Al2(SiO4)3
'Thortveitite'9.BC.05Sc2Si2O7
var: Befanamite9.BC.05Sc2Si2O7
'Vermiculite'9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
'Zircon'9.AD.30Zr(SiO4)
var: Malacon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Biotite-
Columbite-Tantalite-
Feldspar Group-
'var: Perthite'-
Monazite-
Pegmatite-

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with no Additional Anions with cations in [6] coordination
Thortveitite55.2.1a.4Sc2Si2O7
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Columbite-Tantalite'-
'Feldspar Group'-
'var: Perthite'-
'Monazite'-
'Pegmatite'-
Thortveitite
var: Befanamite
-Sc2Si2O7
Xenotime-(Y)-Y(PO4)
Zircon
var: Malacon
-Zr(SiO4)

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
OOxygen
O Thortveitite (var: Befanamite)Sc2Si2O7
O Zircon (var: Malacon)Zr(SiO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O SpessartineMn32+Al2(SiO4)3
O ThortveititeSc2Si2O7
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
MgMagnesium
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SpessartineMn32+Al2(SiO4)3
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
SiSilicon
Si Thortveitite (var: Befanamite)Sc2Si2O7
Si Zircon (var: Malacon)Zr(SiO4)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si SpessartineMn32+Al2(SiO4)3
Si ThortveititeSc2Si2O7
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
PPhosphorus
P Xenotime-(Y)Y(PO4)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
ScScandium
Sc Thortveitite (var: Befanamite)Sc2Si2O7
Sc ThortveititeSc2Si2O7
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
YYttrium
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr Zircon (var: Malacon)Zr(SiO4)
Zr ZirconZr(SiO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p. 19-20. (on "befanamite")
Pezzotta, F.(1999): Madagaskar. Das Paradies der Mineralien und Edelsteine. ExtraLapis nr 17, p.42-43 (in german, short notice)


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