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Ihorombe, Madagascari
Regional Level Types
IhorombeRegion
MadagascarCountry

Coat of Arms of Ihorombe
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PhotosMapsSearchMineralogy
Type:
Largest Settlements:
PlacePopulation
Ihosy16,990 (2018)
Ranohira6,000 (2018)
Mindat Locality ID:
58527
Long-form identifier:
mindat:1:2:58527:6
GUID (UUID V4):
0
Other Languages:
French:
Ihorombe, Madagascar
German:
Ihorombe, Madagaskar
Italian:
regione di Ihorombe, Madagascar
Malagasy:
Faritr' Ihorombe, Madagasikara
Russian:
Иоромб, Мадагаскар
Simplified Chinese:
伊霍羅貝區, 马达加斯加
Spanish:
Región de Ihorombe, Madagascar
Arabic:
إیهورومبي, مدغشقر
Bengali:
ইহোরোম্ব, মাদাগাস্কার
Breton:
Ihorombe, Madagaskar
Bulgarian:
Ихоромбе, Мадагаскар
Cebuano:
Ihorombe Region, Madagascar
Danish:
Ihorombe, Madagaskar
Dutch:
Ihorombe, Madagaskar
Farsi/Persian:
ایهورومبه, ماداگاسکار
Finnish:
Ihorombe, Madagaskar
Greek:
Ιχορόμπε, Μαδαγασκάρη
Gujarati:
ઇહોરોમ્બે, મડાગાસ્કર
Hindi:
आइहोरोम्बे, मेडागास्कर
Indonesian:
Ihorombe, Madagaskar
Japanese:
イフルンベ地域圏, マダガスカル
Kannada:
ಇಹೊರೊಂಬೆ, ಮಡಗಾಸ್ಕರ್
Korean:
이호롬베 구, 마다가스카르
Latvian:
Ihorumbe, Madagaskara
Lithuanian:
Ihorombė, Madagaskaras
Malay:
Ihorombe, Madagaskar
Marathi:
ल्होरॉमबे, मादागास्कर
Minnan / Hokkien-Taiwanese:
Ihorombe Khu
Norwegian:
Ihorombe, Madagaskar
Polish:
Ihorombe, Madagaskar
Portuguese:
Ihorombe, Madagáscar
Romanian:
Regiunea Ihorombe, Madagascar
Serbo-Croatian:
Regija Ihorombe, Madagaskar
Sinhalese:
අයිහොරෝම්බේ, මැඩගස්කරය
Swahili:
Ihorombe, Madagaska
Swedish:
Ihoromberegionen, Madagaskar
Tamil:
ஐஹொரோம்பே, மடகாசுகர்
Telugu:
ఐహోరోంబె, మడగాస్కర్
Thai:
ไอโฮรอมบี, ประเทศมาดากัสการ์
Traditional Chinese:
伊霍羅貝區, 馬達加斯加
Turkish:
Ihorombe, Madagaskar
Ukrainian:
Іоромб, Мадагаскар
Urdu:
ایہورومبے, مڈغاسکر
Vietnamese:
Ihorombe, Madagascar


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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

47 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:

Albite
Formula: Na(AlSi3O8)
Almandine
Formula: Fe2+3Al2(SiO4)3
'Almandine-Pyrope Series'
Colour: transparent
Description: "star garnet" materiale displaying asterism
'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
Andalusite
Formula: Al2(SiO4)O
'Andradite-Grossular Series'
Description: as inclusions in gemmy meionite
Anhydrite
Formula: CaSO4
Anorthite
Formula: Ca(Al2Si2O8)
'Apatite'
Formula: Ca5(PO4)3A
Baryte
Formula: BaSO4
Description: Inclusions in sapphire.
Beryl
Formula: Be3Al2(Si6O18)
Beryl var. Aquamarine
Beryl var. Heliodor
Formula: Be3Al2(Si6O18)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 10 localities in this region.
Calcite
Formula: CaCO3
'Calcium Amphibole Subgroup'
Formula: AnCa2(C2+5-mC3+m)(Si8-(n+m)Al(n+m))W2
'Calcium Amphibole Subgroup var. Hornblende'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Cheralite
Formula: CaTh(PO4)2
Description: Inclusions in sapphire.
Chrysoberyl
Formula: BeAl2O4
Chrysoberyl var. Alexandrite
Formula: BeAl2O4
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
'Clinopyroxene Subgroup'
Description: Close to Mg end-member in composition
Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Cordierite
Formula: Mg2Al4Si5O18
Corundum
Formula: Al2O3
Localities: Reported from at least 20 localities in this region.
Habit: elongated prismatic, normally simple hexagonal prism, but also complex combinations of pyramid, rhombohedron and small pinacoids,
Colour: red, blue, violet
Description: Western zone: The corundum occurs evenly distributed in the rock with no preferred orientation, and can be found in well developed crystals in various ruby red color tones, sized from 1 to 4 cm in size, averaging around 2,5cm. The crystals are generally elongated prismatic with a length and diameter ratio of from 2:1 to 3:1, but the crystal shape can be anything from a simple hexagonal prism to complex combinations of pyramid, rhombohedron and small pinacoids, and the crystal shape is randomly variable throughout this zone, and even crystals found near each other may have completely different crystal shapes. Eastern Zone: The corundum here is also more diverse, both in color and size. The crystals can be up to decimenter size and of various reddish, violtet and blue colors, sometimes completely enclosed of a potassium fedlspar halo (3-4mm-1cm thickness). Some of the crystals are also multicolored with shades of purple and red in the same crystal. Some of the larger multicolored crystals show a star-like feature with six scarlet arms pointing towards the centre of the prism face, with blue edges on the sectors between the "star arms". As a rarity, Pezzotta describes crystals to 2cm, with a remarkably intense blue color and high-gloss face, with adamantine luster, partially or totally enclosed in a casing of rhodolite garnet. Part of the face of these crystals are fully developed, but have developed in the competition with garnet creating complex growth structures
Corundum var. Ruby
Formula: Al2O3
Corundum var. Sapphire
Formula: Al2O3
Localities: Reported from at least 8 localities in this region.
Diaspore
Formula: AlO(OH)
Description: Inclusions in sapphire.
Diopside
Formula: CaMgSi2O6
Description: A 10 cm large specimen weighing 500gr is mentioned by Behier (1960)
Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Reported as "tourmaline magnésienne"
'Dravite-Schorl Series'
Edenite
Formula: NaCa2Mg5(Si7Al)O22(OH)2
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Feldspar Group'
'Feldspar Group var. Antiperthite'
Ferrohögbomite-2N2S
Formula: [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Localities: Reported from at least 6 localities in this region.
'Fluor-uvite-Uvite Series'
Habit: Poikilitic
Colour: blue
Description: a magnesian uvite
'Garnet Group'
Formula: X3Z2(SiO4)3
Localities: Reported from at least 12 localities in this region.
Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Habit: 0,1 mm large anhedral grains
Description: as inclusion in garnet and cordierite lenses
Hematite
Formula: Fe2O3
Hercynite
Formula: Fe2+Al2O4
'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
Description: Close to Mg end-member in composition
'Humite Group'
Description: humite (group) occurs in small (mm), yellow grains disseminated in the marble with diopside.
Ilmenite
Formula: Fe2+TiO3
'K Feldspar'
Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Kyanite
Formula: Al2(SiO4)O
Magnesiotaaffeite-6N’3S
Formula: Mg2BeAl6O12
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 6 localities in this region.
Meionite
Formula: Ca4Al6Si6O24CO3
Description: Chemical analysis indicates that the scapolites have a mostly meionite content, with lesser amounts of marialite and a small percentage of silvialite (Superchi et al 2010)
'Mica Group'
Colour: brown
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Orthoclase
Formula: K(AlSi3O8)
Pargasite
Formula: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 16 localities in this region.
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Pyrite
Formula: FeS2
Description: Inclusions in sapphire.
Pyrope
Formula: Mg3Al2(SiO4)3
'Pyroxene Group'
Formula: ADSi2O6
Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Quartz var. Amethyst
Formula: SiO2
Quartz var. Rose Quartz
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Sapphirine
Formula: Mg4(Mg3Al9)O4[Si3Al9O36]
Localities: Reported from at least 6 localities in this region.
'Scapolite'
'Scapolite var. Wernerite'
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Serendibite
Formula: Ca4[Mg6Al6]O4[Si6B3Al3O36]
Colour: colorless to very light green crystals
Description: as inclusions in uvite
Sillimanite
Formula: Al2(SiO4)O
Localities: Reported from at least 7 localities in this region.
Description: Also found as inclusions in sapphire.
Sillimanite var. Fibrolite
Formula: Al2(SiO4)O
Spinel
Formula: MgAl2O4
Localities: Reported from at least 17 localities in this region.
Description: Also found as inclusions in sapphire.
Thorianite
Formula: ThO2
Titanite
Formula: CaTiO(SiO4)
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
Zircon
Formula: Zr(SiO4)
Colour: brown
Description: According to Behier (1960) a group of two large crystals measuring > 10 cm and weighing 500 gram has been found here

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Chrysoberyl
var. Alexandrite
4.BA.05BeAl2O4
4.BA.05BeAl2O4
Hercynite4.BB.05Fe2+Al2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Spinel4.BB.05MgAl2O4
Ferrohögbomite-2N2S4.CB.[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Corundum4.CB.05Al2O3
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Corundum
var. Ruby
4.CB.05Al2O3
var. Sapphire4.CB.05Al2O3
Quartz
var. Amethyst
4.DA.05SiO2
4.DA.05SiO2
var. Rose Quartz4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Thorianite4.DL.05ThO2
Magnesiotaaffeite-6N’3S4.FC.25Mg2BeAl6O12
Diaspore4.FD.10AlO(OH)
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Cheralite8.AD.50CaTh(PO4)2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Pyrope9.AD.25Mg3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Sillimanite9.AF.05Al2(SiO4)O
var. Fibrolite9.AF.05Al2(SiO4)O
Andalusite9.AF.10Al2(SiO4)O
Kyanite9.AF.15Al2(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Titanite9.AG.15CaTiO(SiO4)
Grandidierite9.AJ.05(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Clinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Kornerupine9.BJ.50Mg3Al6(Si,Al,B)5O21(OH)
Beryl
var. Aquamarine
9.CJ.05Be3Al2(Si6O18)
9.CJ.05Be3Al2(Si6O18)
var. Heliodor9.CJ.05Be3Al2(Si6O18)
Cordierite9.CJ.10Mg2Al4Si5O18
Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Diopside9.DA.15CaMgSi2O6
Edenite9.DE.15NaCa2Mg5(Si7Al)O22(OH)2
Pargasite9.DE.15NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Serendibite9.DH.40Ca4[Mg6Al6]O4[Si6B3Al3O36]
Sapphirine9.DH.45Mg4(Mg3Al9)O4[Si3Al9O36]
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Anorthite9.FA.35Ca(Al2Si2O8)
Meionite9.FB.15Ca4Al6Si6O24CO3
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Unclassified
'Amphibole Supergroup'-AB2C5(T8O22)W2
'Feldspar Group
var. Antiperthite'
-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Feldspar Group'-
'Calcium Amphibole Subgroup
var. Hornblende'
-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Monazite Group'-REE(PO4)
'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
'Fluor-uvite-Uvite Series'-
'Scapolite
var. Wernerite'
-
'Mica Group'-
'Clinopyroxene Subgroup'-
'Almandine-Pyrope Series'-
'Andradite-Grossular Series'-
'Dravite-Schorl Series'-
'Scapolite'-
'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'K Feldspar'-
'Pyroxene Group'-ADSi2O6
'Garnet Group'-X3Z2(SiO4)3
'Apatite'-Ca5(PO4)3A
'Humite Group'-
'Calcium Amphibole Subgroup'-AnCa2(C2+5-mC3+m)(Si8-(n+m)Al(n+m))W2

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
H DiasporeAlO(OH)
H DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
H EdeniteNaCa2Mg5(Si7Al)O22(OH)2
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
H KornerupineMg3Al6(Si,Al,B)5O21(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ScoleciteCaAl2Si3O10 · 3H2O
H TopazAl2(SiO4)(F,OH)2
H Fluor-uvite-Uvite Series
H Dravite-Schorl Series
H Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be Chrysoberyl var. AlexandriteBeAl2O4
Be BerylBe3Al2(Si6O18)
Be ChrysoberylBeAl2O4
Be Magnesiotaaffeite-6N’3SMg2BeAl6O12
Be Beryl var. HeliodorBe3Al2(Si6O18)
BBoron
B DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
B KornerupineMg3Al6(Si,Al,B)5O21(OH)
B SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
B TourmalineAD3G6(T6O18)(BO3)3X3Z
B Fluor-uvite-Uvite Series
B Dravite-Schorl Series
CCarbon
C CalciteCaCO3
C MeioniteCa4Al6Si6O24CO3
C Scapolite var. Wernerite
OOxygen
O AlbiteNa(AlSi3O8)
O Chrysoberyl var. AlexandriteBeAl2O4
O Quartz var. AmethystSiO2
O Amphibole SupergroupAB2C5(T8O22)W2
O AndalusiteAl2(SiO4)O
O AnhydriteCaSO4
O AnorthiteCa(Al2Si2O8)
O AlmandineFe32+Al2(SiO4)3
O BaryteBaSO4
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O CalciteCaCO3
O ChrysoberylBeAl2O4
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
O CordieriteMg2Al4Si5O18
O CorundumAl2O3
O DiasporeAlO(OH)
O DiopsideCaMgSi2O6
O DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
O EdeniteNaCa2Mg5(Si7Al)O22(OH)2
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
O HematiteFe2O3
O HercyniteFe2+Al2O4
O Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
O IlmeniteFe2+TiO3
O KornerupineMg3Al6(Si,Al,B)5O21(OH)
O KyaniteAl2(SiO4)O
O MagnetiteFe2+Fe23+O4
O MeioniteCa4Al6Si6O24CO3
O Monazite GroupREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Magnesiotaaffeite-6N’3SMg2BeAl6O12
O OrthoclaseK(AlSi3O8)
O PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O PyropeMg3Al2(SiO4)3
O QuartzSiO2
O Quartz var. Rose QuartzSiO2
O Corundum var. RubyAl2O3
O RutileTiO2
O Corundum var. SapphireAl2O3
O SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
O ScoleciteCaAl2Si3O10 · 3H2O
O SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
O SillimaniteAl2(SiO4)O
O Quartz var. Smoky QuartzSiO2
O SpinelMgAl2O4
O ThorianiteThO2
O TitaniteCaTiO(SiO4)
O TopazAl2(SiO4)(F,OH)2
O TourmalineAD3G6(T6O18)(BO3)3X3Z
O Fluor-uvite-Uvite Series
O Scapolite var. Wernerite
O ZirconZr(SiO4)
O Sillimanite var. FibroliteAl2(SiO4)O
O Beryl var. HeliodorBe3Al2(Si6O18)
O CheraliteCaTh(PO4)2
O Almandine-Pyrope Series
O Andradite-Grossular Series
O Dravite-Schorl Series
O Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O Pyroxene GroupADSi2O6
O Garnet GroupX3Z2(SiO4)3
O Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
O ApatiteCa5(PO4)3A
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
F TopazAl2(SiO4)(F,OH)2
F Fluor-uvite-Uvite Series
NaSodium
Na AlbiteNa(AlSi3O8)
Na DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Na EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Na Scapolite var. Wernerite
Na Dravite-Schorl Series
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg CordieriteMg2Al4Si5O18
Mg DiopsideCaMgSi2O6
Mg DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mg EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Mg Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Mg KornerupineMg3Al6(Si,Al,B)5O21(OH)
Mg Magnesiotaaffeite-6N’3SMg2BeAl6O12
Mg PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg PyropeMg3Al2(SiO4)3
Mg SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Mg SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Mg SpinelMgAl2O4
Mg Fluor-uvite-Uvite Series
Mg Almandine-Pyrope Series
Mg Dravite-Schorl Series
Mg Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Chrysoberyl var. AlexandriteBeAl2O4
Al AndalusiteAl2(SiO4)O
Al AnorthiteCa(Al2Si2O8)
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al ChrysoberylBeAl2O4
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Al CordieriteMg2Al4Si5O18
Al CorundumAl2O3
Al DiasporeAlO(OH)
Al DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Al EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Al HercyniteFe2+Al2O4
Al Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Al KornerupineMg3Al6(Si,Al,B)5O21(OH)
Al KyaniteAl2(SiO4)O
Al MeioniteCa4Al6Si6O24CO3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Magnesiotaaffeite-6N’3SMg2BeAl6O12
Al OrthoclaseK(AlSi3O8)
Al PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al PyropeMg3Al2(SiO4)3
Al Corundum var. RubyAl2O3
Al Corundum var. SapphireAl2O3
Al SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Al ScoleciteCaAl2Si3O10 · 3H2O
Al SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Al SillimaniteAl2(SiO4)O
Al SpinelMgAl2O4
Al TopazAl2(SiO4)(F,OH)2
Al Fluor-uvite-Uvite Series
Al Scapolite var. Wernerite
Al Sillimanite var. FibroliteAl2(SiO4)O
Al Beryl var. HeliodorBe3Al2(Si6O18)
Al Almandine-Pyrope Series
Al Andradite-Grossular Series
Al Dravite-Schorl Series
Al Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
Al Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Quartz var. AmethystSiO2
Si AndalusiteAl2(SiO4)O
Si AnorthiteCa(Al2Si2O8)
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Si CordieriteMg2Al4Si5O18
Si DiopsideCaMgSi2O6
Si DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Si EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Si Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Si KornerupineMg3Al6(Si,Al,B)5O21(OH)
Si KyaniteAl2(SiO4)O
Si MeioniteCa4Al6Si6O24CO3
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si PyropeMg3Al2(SiO4)3
Si QuartzSiO2
Si Quartz var. Rose QuartzSiO2
Si SapphirineMg4(Mg3Al9)O4[Si3Al9O36]
Si ScoleciteCaAl2Si3O10 · 3H2O
Si SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Si SillimaniteAl2(SiO4)O
Si Quartz var. Smoky QuartzSiO2
Si TitaniteCaTiO(SiO4)
Si TopazAl2(SiO4)(F,OH)2
Si Fluor-uvite-Uvite Series
Si Scapolite var. Wernerite
Si ZirconZr(SiO4)
Si Sillimanite var. FibroliteAl2(SiO4)O
Si Beryl var. HeliodorBe3Al2(Si6O18)
Si Almandine-Pyrope Series
Si Andradite-Grossular Series
Si Dravite-Schorl Series
Si Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Pyroxene GroupADSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
PPhosphorus
P Monazite GroupREE(PO4)
P CheraliteCaTh(PO4)2
P ApatiteCa5(PO4)3A
SSulfur
S AnhydriteCaSO4
S BaryteBaSO4
S PyriteFeS2
ClChlorine
Cl Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Cl Scapolite var. Wernerite
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca AnhydriteCaSO4
Ca AnorthiteCa(Al2Si2O8)
Ca CalciteCaCO3
Ca Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Ca DiopsideCaMgSi2O6
Ca EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Ca MeioniteCa4Al6Si6O24CO3
Ca PargasiteNaCa2(Mg4Al)(Si6Al2)O22(OH)2
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca SerendibiteCa4[Mg6Al6]O4[Si6B3Al3O36]
Ca TitaniteCaTiO(SiO4)
Ca Fluor-uvite-Uvite Series
Ca Scapolite var. Wernerite
Ca CheraliteCaTh(PO4)2
Ca Andradite-Grossular Series
Ca Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3A
Ca Calcium Amphibole SubgroupAnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTiO(SiO4)
Ti Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe Grandidierite(Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Fe HematiteFe2O3
Fe HercyniteFe2+Al2O4
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe Almandine-Pyrope Series
Fe Andradite-Grossular Series
Fe Dravite-Schorl Series
Fe Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
ZnZinc
Zn Ferrohögbomite-2N2S[(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4
ThThorium
Th ThorianiteThO2
Th CheraliteCaTh(PO4)2

Geochronology

Mineralization age: Cambrian : 494 ± 5 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Cambrian
   Furongian
ⓘ Biotite494 ± 5 MaZazafotsy Quarry (Amboarohy), Zazafotsy, Ihosy District, Ihorombe, Madagascar

Fossils

There are 21 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences21
Youngest Fossil Listed0.01 Ma (Pleistocene)
Oldest Fossil Listed265 Ma (Permian)
Stratigraphic Units
UnitNo. OccurrencesAge
Isalo - Isalo II - Lower1242 - 228 Ma (Triassic)
Sakamena - Lower Sakamena12259.9 - 252.17 Ma (Permian)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Crocodylia
unranked clade
Animalia : Chordata : Reptilia : Crocodylia0.0117 - 0 Ma
Quaternary
Coelurosauravus
genus
Animalia : Chordata : Reptilia : Weigeltisauridae : Coelurosauravus259.9 - 252.17 Ma
Permian
Aepyornis
genus
Animalia : Chordata : Aves : Struthioniformes : Aepyornithidae : Aepyornis0.0117 - 0 Ma
Quaternary
Cladophlebis
genus
Plantae : Tracheophyta : Polypodiopsida : Osmundales : Osmundaceae : Cladophlebis265.1 - 254.17 Ma
Permian
Taeniopteris
genus
Plantae : Tracheophyta : Cycadopsida : Cycadales : Crossozamiaceae : Taeniopteris265.1 - 254.17 Ma
Permian
Testudines
order
Animalia : Chordata : Reptilia : Testudines0.0117 - 0 Ma
Quaternary
Hippopotamus lemerlei
species
Animalia : Chordata : Mammalia : Artiodactyla : Hippopotamidae : Hippopotamus : Hippopotamus lemerlei0.0117 - 0 Ma
Quaternary
Claudiosaurus germaini
species
Animalia : Chordata : Reptilia : Claudiosauridae : Claudiosaurus : Claudiosaurus germaini259.9 - 252.17 Ma
Permian
Lepidopteris
genus
Plantae : Tracheophyta : Peltaspermaceae : Lepidopteris265.1 - 254.17 Ma
Permian
Barasaurus besairiei
species
Animalia : Chordata : Reptilia : Owenettidae : Barasaurus : Barasaurus besairiei259.9 - 252.17 Ma
Permian
Cryptoprocta
genus
Animalia : Chordata : Mammalia : Carnivora : Eupleridae : Cryptoprocta0.0117 - 0 Ma
Quaternary
Voltzia
genus
Plantae : Pinophyta : Voltziopsida : Voltziales : Voltziaceae : Voltzia265.1 - 254.17 Ma
Permian
Azendohsaurus madagaskarensis
species
Animalia : Chordata : Reptilia : Azendohsaurus : Azendohsaurus madagaskarensis242 - 228 Ma
Triassic
Schizoneura
genus
Plantae : Tracheophyta : Polypodiopsida : Equisetales : Schizoneura265.1 - 254.17 Ma
Permian
Danaeopsis
genus
Plantae : Tracheophyta : Polypodiopsida : Marattiales : Marattiaceae : Danaeopsis265.1 - 254.17 Ma
Permian
Oudenodon sakamenensis
species
Animalia : Chordata : Osteichthyes : Cotylosauria : Oudenodontidae : Oudenodon : Oudenodon sakamenensis259.9 - 252.17 Ma
Permian
Megaladapis edwardsi
species
Animalia : Chordata : Mammalia : Primates : Lemuridae : Megaladapis : Megaladapis edwardsi0.0117 - 0 Ma
Quaternary
Archaeolemur majori
species
Animalia : Chordata : Mammalia : Primates : Archaeolemuridae : Archaeolemur : Archaeolemur majori0.0117 - 0 Ma
Quaternary
Pachylemur insignis
species
Animalia : Chordata : Mammalia : Primates : Lemuridae : Pachylemur : Pachylemur insignis0.0117 - 0 Ma
Quaternary
Fossil LocalitiesClick to show 6 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Ihorombe
Wikidata ID:Q1513970
GeoNames ID:7670907

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Madagascar
Somali PlateTectonic Plate

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