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:
Old Mine, Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA

mindat Locality ID: 127490
mindat URL: http://www.mindat.org/loc-127490.html

Tectonic Settings:

Total number of sublocalities beneath "Old Mine, Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°16'45"N
Longitude: 72°59'17"W
Decimal Degree (lat, lon): 42.279166666667,-72.988055555556

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	Aragonite	Brookite	Calcite	Chalcopyrite	Chlorite	Chloritoid	Clay	Clinozoisite	Corundum
Cyanotrichite	Diaspore	Epidote	Garnet	Malachite	Mica	None	Not in a structural group	Pyrite	Quartz
Serpentine	Spinel	Talc	Titanite

Actinolite ()*	Almandine ()*	Amesite ()*	Aragonite ()*	Brookite ()*
Calcite ()*	Carbonatecyanotrichite ()*	Chalcopyrite ()*	Chloritoid ()*	Chromite ()*
Clinochlore ()*	Clinozoisite ()*	Corundum ()*	Diaspore ()*	Epidote ()*
Ferro-hornblende ()*	Ilmenite ()*	Kyanite ()*	Magnetite ()*	Malachite ()*
Margarite ()*	Pyrite ()*	Quartz ()*	Talc ()*	Titanite ()*

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 C Ca Cr Cu Fe H Mg O S Si Ti

Elements from minerals reported directly at this locality: Al C Ca Cr Cu Fe H Mg O S Si Ti

Structural Groups for minerals in this locality:
Amphibole Aragonite Brookite Calcite Chalcopyrite Chlorite Chloritoid Clay Clinozoisite Corundum
Cyanotrichite Diaspore Epidote Garnet Malachite Mica None Not in a structural group Pyrite Quartz
Serpentine Spinel Talc Titanite

25 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	3419
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2353
Amesite ()*	Clay Serpentine	Mg₂Al(AlSiO₅)(OH)₄	74
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Brookite ()*	Brookite	TiO₂	700
Calcite ()*	Calcite	Ca(CO₃)	27770
Carbonatecyanotrichite ()*	Cyanotrichite	Cu₄Al₂(CO₃)(OH)₁₂·2H₂O	88
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂	376
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1025
Corundum ()*	Corundum	Al₂O₃	1797
Diaspore ()*	Diaspore	AlO(OH)	481
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	271
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Kyanite ()*	Not in a structural group	Al₂OSiO₄	1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂	168
Pyrite ()*	Pyrite	FeS₂	39462
Quartz ()*	Quartz	SiO₂	61156
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	4899

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...