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:
Ilakaka, Ihosy, Ihorombe, Madagascar

mindat Locality ID: 58526
mindat URL: http://www.mindat.org/loc-58526.html

Tectonic Settings:

Total number of sublocalities beneath "Ilakaka, Ihosy, Ihorombe, Madagascar": 6
Total number of bottom-level sublocalities: 5

Number of Child Localities: 2
Child Localities:
Ilakaka Gem Deposit
New Vohimena Gem Deposit

Latitude: 22°42'24"S
Longitude: 45°14'0"E
Decimal Degree (lat, lon): -22.706666666667,45.233333333333

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.

Andalusite	Beryl	Corundum	None	Not in a structural group	Olivine	Quartz	Spinel	Topaz	Tourmaline
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 F H Li Mg Na O Si Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Andalusite Beryl Corundum None Not in a structural group Olivine Quartz Spinel Topaz Tourmaline
Zircon

10 IMA Minerals at location:

Andalusite ()*	Beryl ()*	Chrysoberyl ()*	Corundum ()*	Elbaite ()*
Kyanite ()*	Quartz ()*	Spinel ()*	Topaz ()*	Zircon ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Andalusite ()*	Andalusite	Al₂SiO₅	1	79416	1310
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1	79416	4286
Chrysoberyl ()*	Olivine	BeAl₂O₄	1	79416	321
Corundum ()*	Corundum	Al₂O₃	4	79416,79418,79420,79421	1797
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	79416	520
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1	79416	1507
Quartz ()*	Quartz	SiO₂	1	79416	61156
Spinel ()*	Spinel	MgAl₂O₄	1	79416	1934
Topaz ()*	Topaz	Al₂SiO₄F₂	1	79416	1476
Zircon ()*	Zircon	Zr(SiO₄)	1	79416	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...