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Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar i
Regional Level Types
Antsakoa I pegmatite Pegmatite
Bekapaika Commune Commune
Tsaratanàna District District
Betsiboka Region
Madagascar Country

Regional Level Types
Antsakoa I pegmatite	Pegmatite
Bekapaika Commune	Commune
Tsaratanàna District	District
Betsiboka	Region
Madagascar	Country

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Samarskite-(Y)

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Petscheckite, etc.

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Liandratite, etc.

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Samarskite-(Y)

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Petscheckite, etc.

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Liandratite, etc.

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Samarskite-(Y)

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Petscheckite, etc.

Antsakoa I pegmatite, Bekapaika Commune, Tsaratanàna District, Betsiboka, Madagascar

Latitude & Longitude (WGS84):

16° 38' 7'' South , 47° 24' 6'' East

Latitude & Longitude (decimal):

G#: mj19qeth3

Type:

Köppen climate type:

Am : Tropical monsoon climate

Nearest Settlements:

Place	Population	Distance
Tsaratanana	16,761 (2018)	32.1km

Mindat Locality ID:

14732

Long-form identifier:

mindat:1:2:14732:2

GUID (UUID V4):

Name(s) in local language(s):

Antsakoa I, Pegmatitan' i Berere, Distrikan'i Tsaratanána, Faritr'i Betsiboka, Faritanin'i Mahajanga, Madagasikara

A granite LCT pegmatite, Beryll-Columbite subtype that has been worked for Beryl. The pegmatite was zonated and measured 200 x 60 m. It is now exhausted. This was the main locality in the Berere Pegmatite Field and is situated 600 m NW of the village Berere, 40km NE of Tsaratanana.

The coordinates are not verified by visit at the spot.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

13 valid minerals. 2 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ 'Pegmatite'

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

Giraud, P

Giraud, P., Bertucat, M., Giraudom, R. (1957) Etude gèologique et prospection de la feuille Betrandraka (P-42) 1:100.000 et du champ pegmatique de Berere. Travaux du Bureau Gèologique 82. Haut Commisariat de Madagascar et dependances

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Euxenite-(Y)

Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ 'Feldspar Group'

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.134

ⓘ 'Feldspar Group var. Perthite'

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.134

ⓘ 'Fergusonite'

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Giraud, P

ⓘ Halloysite

Formula: Al₂(Si₂O₅)(OH)₄

Colour: white, yellowish brown

Description: Crust on petscheckite together with liandratite and a pyrochlore group mineral

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Liandratite (TL)

Formula: U(Nb,Ta)₂O₈

Type Locality:

Colour: yellow to brown

Description: As a 2mm thick crust on petscheckite

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ 'Monazite Group'

Formula: REE(PO₄)

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Petscheckite (TL)

Formula: UFe(Nb,Ta)₂O₈

Type Locality:

Colour: black

Description: As metamict crystals up to 4 cm long and 2 cm thick with a greybrowh\n, brown, yellow or white crust of varying thickness.

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Petscheckite var. Hydroxy-petscheckite

Formula: U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Petscheckite var. Oxy-petscheckite

Formula: UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ 'Pyrochlore Supergroup'

Formula: A_2-mD₂X_6-wZ_1-n

Description: A fingrained crust on petscheckite together with liandratite and halloysite

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

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

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

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ Quartz

Formula: SiO₂

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.134

ⓘ Quartz var. Rose Quartz

Formula: SiO₂

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Rutile

Formula: TiO₂

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Rutile var. Strüverite

Formula: (Ti,Ta,Fe)O₂

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Samarskite-(Y)

Formula: YFe³⁺Nb₂O₈

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59 - as ampangabeite

ⓘ Spessartine

Formula: Mn²⁺₃Al₂(SiO₄)₃

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

References:

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachep.59

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Rose Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	var. Strüverite	4.DB.05	(Ti,Ta,Fe)O₂
ⓘ	Samarskite-(Y)	4.DB.25	YFe³⁺Nb₂O₈
ⓘ	Euxenite-(Y)	4.DG.05	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
ⓘ	Petscheckite var. Hydroxy-petscheckite	4.DH.35	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
ⓘ	Liandratite (TL)	4.DH.35	U(Nb,Ta)₂O₈
ⓘ	Petscheckite var. Oxy-petscheckite	4.DH.35	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
ⓘ	(TL)	4.DH.35	UFe(Nb,Ta)₂O₈
Group 9 - Silicates
ⓘ	Spessartine	9.AD.25	Mn²⁺₃Al₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Halloysite	9.ED.10	Al₂(Si₂O₅)(OH)₄
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'	-	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Feldspar Group'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Feldspar Group var. Perthite'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Fergusonite'	-
ⓘ	'Pyrochlore Supergroup'	-	A_2-mD₂X_6-wZ_1-n

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	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Halloysite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
O	ⓘ Halloysite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Liandratite	U(Nb,Ta)₂O₈
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Petscheckite var. Oxy-petscheckite	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
O	ⓘ Petscheckite	UFe(Nb,Ta)₂O₈
O	ⓘ Quartz	SiO₂
O	ⓘ Quartz var. Rose Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Samarskite-(Y)	YFe³⁺Nb₂O₈
O	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
O	ⓘ Rutile var. Strüverite	(Ti,Ta,Fe)O₂
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Halloysite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Halloysite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Quartz var. Rose Quartz	SiO₂
Si	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ca	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ti	Titanium
Ti	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Rutile var. Strüverite	(Ti,Ta,Fe)O₂
Mn	Manganese
Mn	ⓘ Spessartine	Mn₃²⁺Al₂(SiO₄)₃
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Petscheckite var. Oxy-petscheckite	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
Fe	ⓘ Petscheckite	UFe(Nb,Ta)₂O₈
Fe	ⓘ Samarskite-(Y)	YFe³⁺Nb₂O₈
Fe	ⓘ Rutile var. Strüverite	(Ti,Ta,Fe)O₂
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Y	Yttrium
Y	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Y	ⓘ Samarskite-(Y)	YFe³⁺Nb₂O₈
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Nb	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Nb	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
Nb	ⓘ Liandratite	U(Nb,Ta)₂O₈
Nb	ⓘ Petscheckite var. Oxy-petscheckite	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
Nb	ⓘ Petscheckite	UFe(Nb,Ta)₂O₈
Nb	ⓘ Samarskite-(Y)	YFe³⁺Nb₂O₈
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Ce	Cerium
Ce	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ta	Tantalum
Ta	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ta	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
Ta	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
Ta	ⓘ Liandratite	U(Nb,Ta)₂O₈
Ta	ⓘ Petscheckite var. Oxy-petscheckite	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
Ta	ⓘ Petscheckite	UFe(Nb,Ta)₂O₈
Ta	ⓘ Rutile var. Strüverite	(Ti,Ta,Fe)O₂
Th	Thorium
Th	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
U	Uranium
U	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
U	ⓘ Euxenite-(Y)	(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
U	ⓘ Petscheckite var. Hydroxy-petscheckite	U⁴⁺(Fe³⁺_1/3,◻_2/3)(Nb,Ta)₂O₇(O,OH)
U	ⓘ Liandratite	U(Nb,Ta)₂O₈
U	ⓘ Petscheckite var. Oxy-petscheckite	UFe³⁺_2/3◻_1/3(Nb,Ta)₂O₈
U	ⓘ Petscheckite	UFe(Nb,Ta)₂O₈

Other Regions, Features and Areas containing this locality

AfricaContinent

African Plate

Antenanarivo BlockOrogenic Belt

Madagascar

Betsiboka
- Tsaratanàna District
  - Bekapaika Commune
    - Berere Pegmatite FieldPegmatite Field
⭔Mahajanga Province (Majunga)Province

Somali PlateTectonic Plate

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References

Besaire, Henri (1966) Gîtes minéraux de Madagascar. Annales géologiques de Madagascar Vol. 34. République Malgachepp.134-135

Mücke, Arno, Strunz, Hugo (1978) Petscheckite and liandratite, two new pegmatite minerals from Madagascar. American Mineralogist, 63 (9-10) 941-946

Larsen, Knut Edvard (2023) Minerals first described from Madagascar. Norsk Mineralsymposium 2023, 89-122

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References