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:
Manjaka, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar

mindat Locality ID: 2271
mindat URL: http://www.mindat.org/loc-2271.html

Tectonic Settings:

Total number of sublocalities beneath "Manjaka, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar": 0
Total number of bottom-level sublocalities: 0

Latitude: 20°5'31"S
Longitude: 46°57'34"E
Decimal Degree (lat, lon): -20.091944444444,46.959444444444

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	Analcime	Apatite	Arsenic	Beryl	Calcite	Clay	Columbite	Danburite	Feldspar
Garnet	Mica	Monazite	None	Not in a structural group	Olivine	Phenakite	Pyroxene	Quartz	Rhodizite
Rutile	Serpentine	Spinel	Titanite	Tourmaline	Zircon

Albite ()*	Béhierite ()*	Beryl ()*	Bismuth ()*	Bityite ()*
Boralsilite ()*	Calcite ()*	Chrysoberyl ()*	Columbite-(Mn) ()*	Danburite ()*
Elbaite ()*	Fluorapatite ()*	Ixiolite ()*	Lithiophilite ()*	Londonite ()*
Magnetite ()*	Manandonite ()*	Microcline ()*	Monazite-(Ce) ()*	Opal ()*
Phenakite ()*	Phlogopite ()*	Pollucite ()*	Quartz ()*	Rhodizite ()*
Rutile ()*	Spessartine ()*	Spodumene ()*	Titanite ()*	Vránaite ()*
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 Bi C Ca Ce Cs F Fe H K Li Mg Mn Na Nb O P Si Ta Ti Zr

Elements from minerals reported directly at this locality: Al B Be Bi C Ca Ce Cs F Fe H K Li Mg Mn Na Nb O P Si Ta Ti Zr

Structural Groups for minerals in this locality:
Amorphous Analcime Apatite Arsenic Beryl Calcite Clay Columbite Danburite Feldspar
Garnet Mica Monazite None Not in a structural group Olivine Phenakite Pyroxene Quartz Rhodizite
Rutile Serpentine Spinel Titanite Tourmaline Zircon

31 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Béhierite ()*	Zircon	Ta(BO₄)	8
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	4286
Bismuth ()*	Arsenic	Bi	1966
Bityite ()*	Mica Clay	CaLiAl₂(Si₂BeAl)O₁₀(OH)₂	31
Boralsilite ()*	None	Al₁₆B₆O₃₀(Si₂O₇)	4
Calcite ()*	Calcite	Ca(CO₃)	27770
Chrysoberyl ()*	Olivine	BeAl₂O₄	321
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	289
Danburite ()*	Danburite	CaB₂Si₂O₈	148
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	520
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2740
Ixiolite ()*	Columbite	(Ta_2/3Mn²⁺_1/3)O₂	148
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)	155
Londonite ()*	Rhodizite	CsBe₄Al₄(B₁₁Be)O₂₈	9
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Manandonite ()*	Clay Serpentine	Li₂Al₄(Si₂AlB)O₁₀(OH)₈	3
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Monazite-(Ce) ()*	Monazite	Ce(PO₄)	945
Opal ()*	Amorphous	SiO₂·nH₂O	2994
Phenakite ()*	Phenakite	Be₂(SiO₄)	326
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	140
Quartz ()*	Quartz	SiO₂	61156
Rhodizite ()*	Rhodizite	KBe₄Al₄(B₁₁Be)O₂₈	14
Rutile ()*	Rutile	TiO₂	5614
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆	688
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Vránaite ()*	Not in a structural group	Al₁₆B₄Si₄O₃₈	1
Zircon ()*	Zircon	Zr(SiO₄)	5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...