Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Belafa area, Maromby, Amboasary Sud District, Anosy, Madagascari
Regional Level Types
Belafa areaOccurrence
MarombyCommune
Amboasary Sud DistrictDistrict
AnosyRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
24° 21' 47'' South , 46° 31' 36'' East
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
133016
Long-form identifier:
mindat:1:2:133016:1
GUID (UUID V4):
0
Other Languages:
Malagasy:
Belafa, Kaominin'i Maromby, Distrikan' Amboasary Atsimo, Faritr' Anosy, Madagasikara


This area is located about 30 km N of Tranomaro.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

15 valid minerals.

Rock Types Recorded


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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Anorthite
Formula: Ca(Al2Si2O8)
Description: Blocs of several cubique meters
Calcite
Formula: CaCO3
Corundum
Formula: Al2O3
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
Forsterite
Formula: Mg2(SiO4)
Grandidierite ?
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Description: McKie (1965) studies a grandidierite in a grandidierite-biotite rock labelled as originates from Sakatelo, Madagascar (Iventory number 195716 in the collection of the University of Cambridge Mineralogical Museum). The locality name is with a high grade of certainty a misnomer, perhaps for Sakoatelo. But it has not been confirmed if Sakotatelo deposit is the locality.
Hibonite
Formula: CaAl12O19
'Humite Group'
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Scapolite'
'Scapolite var. Wernerite'
Spinel
Formula: MgAl2O4
Thorianite
Formula: ThO2
Localities: Reported from at least 8 localities in this region.
Thorianite var. Uranothorianite
Formula: (Th,U)O2
Thorite
Formula: Th(SiO4)
Thorite var. Thorogummite
Formula: (Th,U)(SiO4)1-x(OH)4x
Titanite
Formula: CaTi(SiO4)O
Wollastonite
Formula: Ca3(Si3O9)
Description: A large pale yellow, singel, 34 cm long crystal in the Collection of Musée de Minéralogie de l'Ecole des Mines, Paris is labelled "Belafa, Madagascar".
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
Corundum4.CB.05Al2O3
Hibonite4.CC.45CaAl12O19
Thorianite4.DL.05ThO2
var. Uranothorianite4.DL.05(Th,U)O2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Forsterite9.AC.05Mg2(SiO4)
Thorite9.AD.30Th(SiO4)
var. Thorogummite9.AD.30(Th,U)(SiO4)1-x(OH)4x
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Grandidierite ?9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Diopside9.DA.15CaMgSi2O6
Wollastonite9.DG.05Ca3(Si3O9)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Anorthite9.FA.35Ca(Al2Si2O8)
Unclassified
'Scapolite
var. Wernerite'
-
''-
'Humite Group'-

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
BBoron
B Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C Scapolite var. Wernerite
OOxygen
O AnorthiteCa(Al2Si2O8)
O CalciteCaCO3
O CorundumAl2O3
O DiopsideCaMgSi2O6
O DolomiteCaMg(CO3)2
O ForsteriteMg2(SiO4)
O Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
O HiboniteCaAl12O19
O PhlogopiteKMg3(AlSi3O10)(OH)2
O SpinelMgAl2O4
O ThorianiteThO2
O ThoriteTh(SiO4)
O Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
O TitaniteCaTi(SiO4)O
O Thorianite var. Uranothorianite(Th,U)O2
O Scapolite var. Wernerite
O WollastoniteCa3(Si3O9)
O ZirconZr(SiO4)
NaSodium
Na Scapolite var. Wernerite
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Mg ForsteriteMg2(SiO4)
Mg Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg SpinelMgAl2O4
AlAluminium
Al AnorthiteCa(Al2Si2O8)
Al CorundumAl2O3
Al Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Al HiboniteCaAl12O19
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SpinelMgAl2O4
Al Scapolite var. Wernerite
SiSilicon
Si AnorthiteCa(Al2Si2O8)
Si DiopsideCaMgSi2O6
Si ForsteriteMg2(SiO4)
Si Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si ThoriteTh(SiO4)
Si Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si TitaniteCaTi(SiO4)O
Si Scapolite var. Wernerite
Si WollastoniteCa3(Si3O9)
Si ZirconZr(SiO4)
ClChlorine
Cl Scapolite var. Wernerite
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca AnorthiteCa(Al2Si2O8)
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca HiboniteCaAl12O19
Ca TitaniteCaTi(SiO4)O
Ca Scapolite var. Wernerite
Ca WollastoniteCa3(Si3O9)
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
ZrZirconium
Zr ZirconZr(SiO4)
ThThorium
Th ThorianiteThO2
Th ThoriteTh(SiO4)
Th Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
Th Thorianite var. Uranothorianite(Th,U)O2
UUranium
U Thorite var. Thorogummite(Th,U)(SiO4)1-x(OH)4x
U Thorianite var. Uranothorianite(Th,U)O2

Localities in this Region

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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