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:
Hardwick, Worcester Co., Massachusetts, USA

mindat Locality ID: 22422
mindat URL: http://www.mindat.org/loc-22422.html

Tectonic Settings:

Total number of sublocalities beneath "Hardwick, Worcester Co., Massachusetts, USA": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Gilbertville
Quabbin Aqueduct Shaft #10 Locality

Latitude: 42°22'59"N
Longitude: 72°9'29"W
Decimal Degree (lat, lon): 42.383055555556,-72.158055555556

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.

Amorphous	Baryte	Calcite	Clinozoisite	Corundum	Diaspore	Epidote	Feldspar	Fluorite	Gypsum
None	Not in a structural group	Prehnite	Pyrite	Quartz	Rhodonite	Rocksalt	Rutile	Sphalerite	Spinel
Thomsonite	Titanite	Zircon

Albite ()*	Anglesite ()*	Babingtonite ()*	Calcite ()*	Epidote ()*
Fluorite ()*	Galena ()*	Goethite ()*	Gypsum ()*	Ilmenite ()*
Laumontite ()*	Magnetite ()*	Microcline ()*	Opal ()*	Orthoclase ()*
Prehnite ()*	Pyrite ()*	Quartz ()*	Rutile ()*	Sphalerite ()*
Thomsonite-Ca ()*	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 C Ca F Fe H K Na O Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Amorphous Baryte Calcite Clinozoisite Corundum Diaspore Epidote Feldspar Fluorite Gypsum
None Not in a structural group Prehnite Pyrite Quartz Rhodonite Rocksalt Rutile Sphalerite Spinel
Thomsonite Titanite Zircon

23 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	219835	8803
Anglesite ()*	Baryte	Pb(SO₄)	1	219835	2734
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	219835	161
Calcite ()*	Calcite	Ca(CO₃)	1	219835	27770
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	219835	8173
Fluorite ()*	Fluorite	CaF₂	1	219835	9617
Galena ()*	Rocksalt	PbS	1	219835	24243
Goethite ()*	Diaspore	FeO(OH)	1	219835	7437
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	1	219835	6890
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	219835	5433
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1	219835	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	219835	14899
Microcline ()*	Feldspar	K(AlSi₃O₈)	1	219835	4924
Opal ()*	Amorphous	SiO₂·nH₂O	1	219835	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	1	219835	2349
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219835	1898
Pyrite ()*	Pyrite	FeS₂	1	219835	39462
Quartz ()*	Quartz	SiO₂	1	219835	61156
Rutile ()*	Rutile	TiO₂	1	219835	5614
Sphalerite ()*	Sphalerite	ZnS	1	219835	21482
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	1	219835	452
Titanite ()*	Titanite	CaTi(SiO₄)O	1	219835	4899
Zircon ()*	Zircon	Zr(SiO₄)	1	219835	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...