Reference: Sedra (2019): Les pegmatites d'Antsirabe-Betafo: axe Vavavato-Mahaiza-Sahatany, et les mineralisations associes. Memoire Master II en Sciences de la Terre, Universite d'Antananarivo.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Fitamalama, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar
Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ 'Pyrochlore Supergroup'

Formula: A_2-mD₂X_6-wZ_1-n

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'

Formula: (Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Quartz

Formula: SiO₂

Localities:

Fitamalama, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar
Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Quartz var. Chalcedony

Formula: SiO₂

Locality: Fitamalama, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Quartz var. Rose Quartz

Formula: SiO₂

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Sedra (2019): Les pegmatites d'Antsirabe-Betafo: axe Vavavato-Mahaiza-Sahatany, et les mineralisations associes. Memoire Master II en Sciences de la Terre, Universite d'Antananarivo.

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Sedra (2019): Les pegmatites d'Antsirabe-Betafo: axe Vavavato-Mahaiza-Sahatany, et les mineralisations associes. Memoire Master II en Sciences de la Terre, Universite d'Antananarivo.

ⓘ Talc

Formula: Mg₃Si₄O₁₀(OH)₂

Locality: Fitamalama, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Talc var. Steatite

Formula: Mg₃(Si₄O₁₀)(OH)₂

Locality: Fitamalama, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Tridymite

Formula: SiO₂

Locality: Mt Irifatra, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p.220)

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

ⓘ Zircon var. Malacon

Formula: Zr(SiO₄)

Locality: Belamosina (Ambatofotsy) pegmatites, Ambatonikolahy, Betafo, Vakinankaratra, Madagascar

Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
ⓘ	var. Rose Quartz	4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	Tridymite	4.DA.10	SiO₂
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Talc	9.EC.05	Mg₃Si₄O₁₀(OH)₂
ⓘ	var. Steatite	9.EC.05	Mg₃(Si₄O₁₀)(OH)₂
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	var. Malacon	9.AD.30	Zr(SiO₄)
Unclassified Minerals, Rocks, etc.
ⓘ	'Allanite Group'	-	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	'Columbite-Tantalite'	-
ⓘ	'K Feldspar'	-	KAlSi₃O₈
ⓘ	'Pyrochlore Supergroup'	-	A_2-mD₂X_6-wZ_1-n
ⓘ	'var. Betafite (of Hogarth 1977)'	-	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
H	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
H	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	Oxygen
O	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
O	ⓘ Zircon var. Malacon	Zr(SiO₄)
O	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
O	ⓘ Tridymite	SiO₂
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Quartz	SiO₂
O	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
O	ⓘ Quartz var. Rose Quartz	SiO₂
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ K Feldspar	KAlSi₃O₈
Na	Sodium
Na	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Mg	Magnesium
Mg	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
Mg	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Al	Aluminium
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ K Feldspar	KAlSi₃O₈
Si	Silicon
Si	ⓘ Zircon var. Malacon	Zr(SiO₄)
Si	ⓘ Allanite Group	{A1²⁺REE³⁺}{M1³⁺M2³⁺M3²⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Talc var. Steatite	Mg₃(Si₄O₁₀)(OH)₂
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Talc	Mg₃Si₄O₁₀(OH)₂
Si	ⓘ Quartz var. Rose Quartz	SiO₂
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ K Feldspar	KAlSi₃O₈
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ K Feldspar	KAlSi₃O₈
Ca	Calcium
Ca	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ti	Titanium
Ti	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Zr	Zirconium
Zr	ⓘ Zircon var. Malacon	Zr(SiO₄)
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ta	Tantalum
Ta	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
U	Uranium
U	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

Fossils

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Localities in this Region

Madagascar

Vakinankaratra
- Betafo
  - Ambatonikolahy

Other Regions, Features and Areas that Intersect

Madagascar

Ankaratra Volcanic RangeVolcanic Range

Somali PlateTectonic Plate

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Localities in this Region

Other Regions, Features and Areas that Intersect

Ambatonikolahy, Betafo, Vakinankaratra, Madagascar i
Regional Level Types
Ambatonikolahy Commune
Betafo District
Vakinankaratra Region
Madagascar Country