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:
Washington, Litchfield Co., Connecticut, USA


mindat Locality ID: 155728
mindat URL: http://www.mindat.org/loc-155728.html

Tectonic Settings:

Total number of sublocalities beneath "Washington, Litchfield Co., Connecticut, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Kyanite Locality (Judds Bridge Locality)

Latitude: 41°35'56"N
Longitude: 73°20'11"W
Decimal Degree (lat, lon): 41.598888888889,-73.336388888889
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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 C Ca Cd F Fe H K Mg Na O P Pb S Si Ti Zn 

Elements from minerals reported directly at this locality: Al B Fe H Na O Si 

Structural Groups for minerals in this locality: 
AndalusiteApatiteCalciteChloriteClayCorundumMicaNickelineNoneNot in a structural group
PyriteQuartzRocksaltSphaleriteSpinelStauroliteTourmalineWurtzite

16 IMA Minerals at location:
Andalusite  (*)Calcite  (*)Clinochlore  (*)Fluorapatite  (*)Galena  (*)
Greenockite  (*)Ilmenite  (*)Kyanite  (*)Magnetite  (*)Muscovite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Schorl  (*)Sphalerite  (*)
Staurolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andalusite  (*)AndalusiteAl2SiO511990281310
Calcite  (*)CalciteCa(CO3)119902827770
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)811990281756
Fluorapatite  (*)ApatiteCa5(PO4)3F11990282740
Galena  (*)RocksaltPbS119902824243
Greenockite  (*)WurtziteCdS1199028717
Ilmenite  (*)CorundumFe2+Ti4+O311990285433
Kyanite  (*)Not in a structural groupAl2OSiO411990281507
Magnetite  (*)SpinelFe2+Fe3+2O4119902814899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2119902817380
Pyrite  (*)PyriteFeS2119902839462
Pyrrhotite  (*)NickelineFe7S811990289056
Quartz  (*)QuartzSiO2119902861156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Sphalerite  (*)SphaleriteZnS119902821482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1199028978


No ages have been assigned to this locality yet.
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