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:
Athol, Worcester Co., Massachusetts, USA

mindat Locality ID: 22558
mindat URL: http://www.mindat.org/loc-22558.html

Tectonic Settings:

Total number of sublocalities beneath "Athol, Worcester Co., Massachusetts, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Athol Babingtonite Locality

Latitude: 42°35'45"N
Longitude: 72°13'38"W
Decimal Degree (lat, lon): 42.595833333333,-72.227222222222

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.

Beryl	Clay	Clinozoisite	Epidote	Feldspar	Fluorite	Mica	None	Not in a structural group	Prehnite
Pyrite	Rhodonite	Talc

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 Be Ca F Fe H K Mg Na O S Si

Elements from minerals reported directly at this locality: Al Be H K Mg O Si

Structural Groups for minerals in this locality:
Beryl Clay Clinozoisite Epidote Feldspar Fluorite Mica None Not in a structural group Prehnite
Pyrite Rhodonite Talc

11 IMA Minerals at location:

Albite ()*	Babingtonite ()*	Beryl ()*	Epidote ()*	Fluorite ()*
Microcline ()*	Muscovite ()*	Prehnite ()*	Pyrite ()*	Sillimanite ()*
Talc ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	219804	8803
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	219804	161
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	0		4286
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	219804	8173
Fluorite ()*	Fluorite	CaF₂	1	219804	9617
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1	219804	1898
Pyrite ()*	Pyrite	FeS₂	1	219804	39462
Sillimanite ()*	Not in a structural group	Al₂SiO₅	0		1516
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	0		3337

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...