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:
Westfield, Hampden Co., Massachusetts, USA

mindat Locality ID: 22837
mindat URL: http://www.mindat.org/loc-22837.html

Tectonic Settings:

Total number of sublocalities beneath "Westfield, Hampden Co., Massachusetts, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Lane & Son Traprock Quarries (Lane's Quarry)
Westfield Soapstone Quarry

Latitude: 42°7'30"N
Longitude: 72°45'"W
Decimal Degree (lat, lon): 42.125,-72.75

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.

Allophane	Amphibole	Beryl	Brucite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Corundum
Epidote	Feldspar	Gadolinite	Garnet	Malachite	Mica	None	Not in a structural group	Olivine	Prehnite
Pyroxene	Quartz	Rhodonite	Rocksalt	Serpentine	Sphalerite	Spinel	Staurolite	Talc	Titanite
Zircon

Actinolite ()*	Albite ()*	Almandine ()*	Anhydrite ()*	Antigorite ()*
Babingtonite ()*	Brucite ()*	Calcite ()*	Chalcopyrite ()*	Chrysocolla ()*
Clinochlore ()*	Clinozoisite ()*	Cordierite ()*	Datolite ()*	Diopside ()*
Dolomite ()*	Epidote ()*	Forsterite ()*	Galena ()*	Hematite ()*
Kyanite ()*	Magnetite ()*	Malachite ()*	Muscovite ()*	Pigeonite ()*
Prehnite ()*	Quartz ()*	Sillimanite ()*	Sphalerite ()*	Spinel ()*
Staurolite ()*	Talc ()*	Titanite ()*	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 C Ca Cu Fe H K Mg Na O Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al C Ca Fe H K Mg Na O S Si Ti Zr

Structural Groups for minerals in this locality:
Allophane Amphibole Beryl Brucite Calcite Chalcopyrite Chlorite Clay Clinozoisite Corundum
Epidote Feldspar Gadolinite Garnet Malachite Mica None Not in a structural group Olivine Prehnite
Pyroxene Quartz Rhodonite Rocksalt Serpentine Sphalerite Spinel Staurolite Talc Titanite
Zircon

34 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	0		3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	0		8803
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	0		2353
Anhydrite ()*	Not in a structural group	Ca(SO₄)	0		1588
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	0		708
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	219514	161
Brucite ()*	Brucite	Mg(OH)₂	0		462
Calcite ()*	Calcite	Ca(CO₃)	1	219514	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	219514	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	1	219514	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	1	219514	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	0		1025
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	0		1008
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	1	219514	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	219515	4135
Dolomite ()*	None	CaMg(CO₃)₂	0		9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	219514	8173
Forsterite ()*	Olivine	Mg₂(SiO₄)	0		1188
Galena ()*	Rocksalt	PbS	1	219514	24243
Hematite ()*	Corundum	Fe₂O₃	1	219514	14640
Kyanite ()*	Not in a structural group	Al₂OSiO₄	0		1507
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	219514	12537
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	1	219514	303
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219514	1898
Quartz ()*	Quartz	SiO₂	1	219514	61156
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0		1516
Sphalerite ()*	Sphalerite	ZnS	1	219514	21482
Spinel ()*	Spinel	MgAl₂O₄	0		1934
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)	0		978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	1	219515	3337
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL
R050033	Westfield, Hampden Co., Massachusetts, USA	https://rruff.info/R050033
X050051	Westfield, Hampden Co., Massachusetts, USA	https://rruff.info/X050051

All locality data graciously provided by mindat.org

All age data...