Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Androy, Madagascar

mindat Locality ID: 157727
mindat URL: http://www.mindat.org/loc-157727.html

Tectonic Settings:

Total number of sublocalities beneath "Androy, Madagascar": 82
Total number of bottom-level sublocalities: 59

Number of Child Localities: 5
Child Localities:
Ambovombe-Androy
Bekily
Beloha
Manambolo River Valley
Tsihombe

Latitude: 24°45'49"S
Longitude: 45°34'48"E
Decimal Degree (lat, lon): -24.763611111111,45.58

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Amorphous	Amphibole	Analcime	Apatite	Beryl	Calcite	Chalcopyrite	Clay	Columbite	Corundum
Diaspore	Feldspar	Fluorite	Garnet	Gypsum	Kornerupine	Mica	Molybdenite	Nickeline	None
Not in a structural group	Olivine	Prehnite	Pyrite	Pyroxene	Quartz	Rutile	Sapphirine	Scapolite	Scheelite
Sepiolite	Smectite-vermiculite	Spinel	Titanite	Wollastonite	Zircon

Actinolite ()*	Analcime ()*	Anhydrite ()*	Anorthite ()*	Augite ()*
Beryl ()*	Calcite ()*	Chalcopyrite ()*	Chrysoberyl ()*	Cordierite ()*
Corundum ()*	Diopside ()*	Euxenite-(Y) ()*	Fluorapatite ()*	Fluorite ()*
Goethite ()*	Graphite ()*	Gypsum ()*	Hedenbergite ()*	Hematite ()*
Ilmenite ()*	Kornerupine ()*	Laumontite ()*	Meionite ()*	Molybdenite ()*
Muscovite ()*	Opal ()*	Orthoclase ()*	Phlogopite ()*	Prehnite ()*
Pyrite ()*	Pyrope ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*
Sapphirine ()*	Scheelite ()*	Sepiolite ()*	Sillimanite ()*	Spinel ()*
Thorianite ()*	Titanite ()*	Tremolite ()*	Vermiculite ()*	Wollastonite ()*
Zircon ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Be C Ca Ce Cu F Fe H K Mg Mo Na Nb O P S Si Ta Th Ti U W Y Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Amphibole Analcime Apatite Beryl Calcite Chalcopyrite Clay Columbite Corundum
Diaspore Feldspar Fluorite Garnet Gypsum Kornerupine Mica Molybdenite Nickeline None
Not in a structural group Olivine Prehnite Pyrite Pyroxene Quartz Rutile Sapphirine Scapolite Scheelite
Sepiolite Smectite-vermiculite Spinel Titanite Wollastonite Zircon

46 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	1	78634	3419
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	78634	1627
Anhydrite ()*	Not in a structural group	Ca(SO₄)	3	78600,78601,78644	1588
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	2	78622,78638	1036
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	1	78600	2060
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	3	78603,78607,78612	4286
Calcite ()*	Calcite	Ca(CO₃)	14	78600,78601,78605,78610,78616,78622,78634,78638,78641,78643,78644,78647,78655,78678	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	4	78600,78601,78644,78645	27198
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	78618	321
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	4	78616,78651,78666,78673	1008
Corundum ()*	Corundum	Al₂O₃	4	78616,78619,78625,78659	1797
Diopside ()*	Pyroxene	CaMgSi₂O₆	12	78600,78601,78622,78634,78643,78644,78645,78647,78648,78653,78655,78678	4135
Euxenite-(Y) ()*	Columbite	Y(NbTi)O₆	1	78607	414
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	78644	2740
Fluorite ()*	Fluorite	CaF₂	5	78600,78601,78602,78625,78678	9617
Goethite ()*	Diaspore	FeO(OH)	1	78615	7437
Graphite ()*	None	C	3	78642,78663,78664	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	3	78600,78601,78644	6890
Hedenbergite ()*	Pyroxene	CaFe²⁺Si₂O₆	1	78647	741
Hematite ()*	Corundum	Fe₂O₃	1	78619	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	78619	5433
Kornerupine ()*	Kornerupine	(Mg,Fe²⁺,Al, )₁₀(Si,Al,B)₅O₂₁(OH,F)₂	1	78619	68
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	78644	1271
Meionite ()*	Scapolite	Ca₄Al₆Si₆O₂₄(CO₃)	2	78600,78644	176
Molybdenite ()*	Molybdenite	MoS₂	5	78600,78601,78631,78641,78644	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	78618	17380
Opal ()*	Amorphous	SiO₂·nH₂O	3	78601,78670,78678	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	78648	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	34	78600,78601,78604,78611,78614,78619,78621,78622,78624,78631,78634,78636,78637,78638,78639,78641,78643,78644,78645,78647,78648,78653,78655,78656,78668,78669,78670,78671,78672,78674,78675,78676,78677,78678	2273
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	78644	1898
Pyrite ()*	Pyrite	FeS₂	6	78600,78601,78644,78647,78655,78678	39462
Pyrope ()*	Garnet	Mg₃Al₂(SiO₄)₃	1	78628	341
Pyrrhotite ()*	Nickeline	Fe₇S₈	3	78600,78601,78644	9056
Quartz ()*	Quartz	SiO₂	9	78603,78607,78615,78625,78634,78643,78660,78663,78664	61156
Rutile ()*	Rutile	TiO₂	2	78625,78664	5614
Sapphirine ()*	Sapphirine	Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]	1	78616	129
Scheelite ()*	Scheelite	Ca(WO₄)	2	78643,78644	4894
Sepiolite ()*	Sepiolite Clay	Mg₄Si₆O₁₅(OH)₂·6H₂O	3	78641,78643,78644	241
Sillimanite ()*	Not in a structural group	Al₂SiO₅	1	78619	1516
Spinel ()*	Spinel	MgAl₂O₄	14	78600,78605,78609,78610,78611,78613,78614,78616,78619,78641,78644,78647,78648,78674	1934
Thorianite ()*	Fluorite	ThO₂	4	78644,78645,78647,78649	236
Titanite ()*	Titanite	CaTi(SiO₄)O	7	78600,78601,78613,78634,78643,78648,78665	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	78663	2562
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	1	78643	652
Wollastonite ()*	Wollastonite	CaSiO₃	1	78665	1247
Zircon ()*	Zircon	Zr(SiO₄)	5	78600,78607,78641,78648,78664	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R060073	Androy, Madagascar	https://rruff.info/R060073
FKM-40	Antanimora Sud, Ambovombe-Androy, Androy, Madagascar	https://www.rockptx.com/fkm-26-to-fkm-50/#FKM-40

All locality data graciously provided by mindat.org

All age data...