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:
Litchfield, Litchfield Co., Connecticut, USA

mindat Locality ID: 23326
mindat URL: http://www.mindat.org/loc-23326.html

Tectonic Settings:

Total number of sublocalities beneath "Litchfield, Litchfield Co., Connecticut, USA": 5
Total number of bottom-level sublocalities: 5

Number of Child Localities: 5
Child Localities:
Kyanite And Ilmenite Locality
Mount Prospect Complex (Prospect Hill Complex; Prospect Mountain Complex)
State Route 118 Bantam River Bridge
Town Farm Road
West Farms Locality

Latitude: 41°45'20"N
Longitude: 73°12'16"W
Decimal Degree (lat, lon): 41.755555555556,-73.204444444444

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.

Amphibole	Andalusite	Apatite	Aragonite	Beryl	Calcite	Chabazite	Chalcopyrite	Clay	Clinozoisite
Corundum	Diaspore	Epidote	Feldspar	Garnet	Malachite	Mica	Nickeline	None	Not in a structural group
Pentlandite	Pyrite	Quartz	Rutile	Spinel	Staurolite	Talc	Tourmaline

Actinolite ()*	Albite ()*	Almandine ()*	Andalusite ()*	Aragonite ()*
Beryl ()*	Calcite ()*	Chabazite-Ca ()*	Chalcopyrite ()*	Corundum ()*
Epidote ()*	Fluorapatite ()*	Goethite ()*	Grossular ()*	Hematite ()*
Ilmenite ()*	Kyanite ()*	Laumontite ()*	Magnesio-hornblende ()*	Magnetite ()*
Malachite ()*	Microcline ()*	Muscovite ()*	Pentlandite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Rutile ()*	Schorl ()*	Spinel ()*
Staurolite ()*	Talc ()*	Tremolite ()*

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 Cu F Fe H K Mg Na Ni O P S Si Ti

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

Structural Groups for minerals in this locality:
Amphibole Andalusite Apatite Aragonite Beryl Calcite Chabazite Chalcopyrite Clay Clinozoisite
Corundum Diaspore Epidote Feldspar Garnet Malachite Mica Nickeline None Not in a structural group
Pentlandite Pyrite Quartz Rutile Spinel Staurolite Talc Tourmaline

33 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	198956	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	198956,198959	8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2	198956,198959	2353
Andalusite ()*	Andalusite	Al₂SiO₅	0		1310
Aragonite ()*	Aragonite	Ca(CO₃)	1	198956	3250
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	0		4286
Calcite ()*	Calcite	Ca(CO₃)	1	198956	27770
Chabazite-Ca ()*	Chabazite	Ca₂[Al₄Si₈O₂₄]·13H₂O	1	198956	310
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	198956,198957,198959	27198
Corundum ()*	Corundum	Al₂O₃	2	198956,198960	1797
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	198956,198959	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2	198956,198959	2740
Goethite ()*	Diaspore	FeO(OH)	1	198956	7437
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	198956	1544
Hematite ()*	Corundum	Fe₂O₃	2	198956,198959	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	3	198956,198958,198959	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	3	198956,198959,198960	1507
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	0		1271
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	1	198959	238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	2	198956,198957	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	198956,198959	12537
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	198956	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	198956	17380
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈	1	198957	1512
Pyrite ()*	Pyrite	FeS₂	3	198956,198957,198960	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	1	198957	9056
Quartz ()*	Quartz	SiO₂	3	198956,198958,198959	61156
Rutile ()*	Rutile	TiO₂	1	198956	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	0		2705
Spinel ()*	Spinel	MgAl₂O₄	1	198957	1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	3	198956,198958,198959	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	198960	3337
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	198956	2562

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...