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:
Berks Co., Pennsylvania, USA

mindat Locality ID: 21126
mindat URL: http://www.mindat.org/loc-21126.html

Tectonic Settings:

Total number of sublocalities beneath "Berks Co., Pennsylvania, USA": 70
Total number of bottom-level sublocalities: 37

Number of Child Localities: 28
Child Localities:
Bern Township
Birdsboro
Boyertown
Caernarvon Township
Cumru Township
Earl Township
Fleetwood
Greenawald
Hancock
Heidelberg Township
Hereford Township
Kirbyville
Lower Alsace Township
Maidencreek Township
Morgantown
Muhlenberg Township
Old Zionville
Oley Township
Reading
Reading Springs
Richmond Township
Rittenhouse Gap
Seisholtzville
Sinking Spring
Spring Township
Steele's Mine
Stouchsburg
Topton

Latitude: 40°23'22"N
Longitude: 75°48'27"W
Decimal Degree (lat, lon): 40.389444444444,-75.8075

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	Amorphous	Amphibole	Apatite	Apophyllite	Aragonite	Arsenopyrite	Baryte	Brochantite	Brucite
Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Cobaltite	Copper	Corundum	Epidote	Feldspar
Fluorite	Gadolinite	Garnet	Gismondine	Gypsum	Kaolinite	Löllingite	Malachite	Marcasite	Mica
Molybdenite	Natrolite	Nickeline	None	Not in a structural group	Palygorskite	Pectolite	Perovskite	Prehnite	Pyrite
Quartz	Rhodonite	Rocksalt	Scapolite	Scheelite	Serpentine	Skutterudite	Sphalerite	Spinel	Stilbite
Talc	Thomsonite	Titanite	Tochilinite	Vesuvianite	Vivianite	Wavellite	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 As B Ba C Ca Cl Co Cu F Fe H K Mg Mo Na O P Pb S Si Sr Th Ti Zn Zr

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

Structural Groups for minerals in this locality:
Allophane Amorphous Amphibole Apatite Apophyllite Aragonite Arsenopyrite Baryte Brochantite Brucite
Calcite Chalcopyrite Chlorite Clay Clinozoisite Cobaltite Copper Corundum Epidote Feldspar
Fluorite Gadolinite Garnet Gismondine Gypsum Kaolinite Löllingite Malachite Marcasite Mica
Molybdenite Natrolite Nickeline None Not in a structural group Palygorskite Pectolite Perovskite Prehnite Pyrite
Quartz Rhodonite Rocksalt Scapolite Scheelite Serpentine Skutterudite Sphalerite Spinel Stilbite
Talc Thomsonite Titanite Tochilinite Vesuvianite Vivianite Wavellite Zircon

78 IMA Minerals at location:

Actinolite ()*	Albite ()*	Allophane ()*	Almandine ()*	Antigorite ()*
Aragonite ()*	Arsenopyrite ()*	Aurichalcite ()*	Azurite ()*	Babingtonite ()*
Baryte ()*	Bornite ()*	Brochantite ()*	Brucite ()*	Calcite ()*
Celestine ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*
Clinochlore ()*	Cobaltite ()*	Copper ()*	Cuprite ()*	Datolite ()*
Dolomite ()*	Epidote ()*	Erythrite ()*	Ferrimolybdite ()*	Ferro-hornblende ()*
Fluorapatite ()*	Fluorapophyllite-(K) ()*	Fluorite ()*	Galena ()*	Gismondine ()*
Graphite ()*	Grossular ()*	Gypsum ()*	Hematite ()*	Hydromagnesite ()*
Hydroxylapatite ()*	Kaolinite ()*	Laumontite ()*	Magnetite ()*	Malachite ()*
Marcasite ()*	Marialite ()*	Mesolite ()*	Microcline ()*	Molybdenite ()*
Muscovite ()*	Natrolite ()*	Okenite ()*	Opal ()*	Palygorskite ()*
Pectolite ()*	Phlogopite ()*	Powellite ()*	Prehnite ()*	Pyrite ()*
Pyrrhotite ()*	Quartz ()*	Riebeckite ()*	Safflorite ()*	Skutterudite ()*
Sphalerite ()*	Stellerite ()*	Stilbite-Na ()*	Talc ()*	Tenorite ()*
Thomsonite-Ca ()*	Thorite ()*	Titanite ()*	Tochilinite ()*	Tremolite ()*
Vesuvianite ()*	Wavellite ()*	Zircon ()*

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	3	262521,262545,262546	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	1	262545	8803
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	1	262521	470
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	2	262521,262537	2353
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	1	262545	708
Aragonite ()*	Aragonite	Ca(CO₃)	7	262509,262521,262523,262560,262568,262570,262571	3250
Arsenopyrite ()*	Arsenopyrite	FeAsS	3	262512,262513,262515	9052
Aurichalcite ()*	None	(Zn,Cu)₅(CO₃)₂(OH)₆	3	262521,262523,262553	919
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	1	262523	5509
Babingtonite ()*	Rhodonite	Ca₂Fe²⁺Fe³⁺Si₅O₁₄(OH)	1	262512	161
Baryte ()*	Baryte	Ba(SO₄)	2	262534,262553	11547
Bornite ()*	None	Cu₅FeS₄	3	262521,262523,262546	5516
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1	262521	1633
Brucite ()*	Brucite	Mg(OH)₂	4	262523,262560,262568,262570	462
Calcite ()*	Calcite	Ca(CO₃)	10	262512,262513,262515,262521,262523,262545,262546,262553,262570,262571	27770
Celestine ()*	Baryte	Sr(SO₄)	1	262553	1252
Cerussite ()*	Aragonite	Pb(CO₃)	1	262521	4979
Chalcocite ()*	None	Cu₂S	2	262521,262523	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	6	262512,262521,262523,262545,262546,262553	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	3	262513,262521,262523	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	4	262521,262545,262571	1756
Cobaltite ()*	Cobaltite	CoAsS	1	262512	966
Copper ()*	Copper	Cu	1	262521	3846
Cuprite ()*	Not in a structural group	Cu₂O	1	262521	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	3	262512,262523,262545	498
Dolomite ()*	None	CaMg(CO₃)₂	3	262545,262560,262568	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	2	262545,262564	8173
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O	3	262512,262513,262515	814
Ferrimolybdite ()*	None	Fe³⁺₂(Mo⁶⁺O₄)₃·7H₂O	1	262540	345
Ferro-hornblende ()*	Amphibole	Ca₂(Fe²⁺₄Al)(Si₇Al)O₂₂(OH)₂	1	262564	271
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	262521	2740
Fluorapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀F·8H₂O	2	262512,262513	303
Fluorite ()*	Fluorite	CaF₂	3	262523,262553,262571	9617
Galena ()*	Rocksalt	PbS	2	262523,262545	24243
Gismondine ()*	Gismondine	Ca₂(Si₄Al₄)O₁₆·8H₂O	1	262523	128
Graphite ()*	None	C	3	262521,262537,262564	2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	262523	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	2	262521,262545	6890
Hematite ()*	Corundum	Fe₂O₃	4	262518,262523,262545,262559	14640
Hydromagnesite ()*	None	Mg₅(CO₃)₄(OH)₂·4H₂O	1	262570	341
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH	1	262526	367
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	1	262521	5591
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	4	262512,262513,262515,262545	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	11	262518,262521,262523,262537,262542,262545,262564,262567,262570,262571,262572	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	4	262521,262523,262553,262571	12537
Marcasite ()*	Marcasite	FeS₂	1	262553	5674
Marialite ()*	Scapolite	Na₄Al₃Si₉O₂₄Cl	1	262545	139
Mesolite ()*	Natrolite	Na₂Ca₂(Si₉Al₆)O₃₀·8H₂O	1	262523	425
Microcline ()*	Feldspar	K(AlSi₃O₈)	0		4924
Molybdenite ()*	Molybdenite	MoS₂	2	262540,262564	5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1	262545	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	3	262512,262513,262545	1236
Okenite ()*	None	Ca₁₀Si₁₈O₄₆·18H₂O	1	262512	71
Opal ()*	Amorphous	SiO₂·nH₂O	1	262512	2994
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	1	262553	306
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	1	262512	363
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	1	262545	2273
Powellite ()*	Scheelite	Ca(MoO₄)	1	262540	494
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	4	262512,262513,262545,262546	1898
Pyrite ()*	Pyrite	FeS₂	9	262512,262521,262523,262537,262540,262545,262553,262570,262571	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	3	262537,262540,262545	9056
Quartz ()*	Quartz	SiO₂	7	262512,262523,262538,262561,262562,262564,262576	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1	262512	375
Safflorite ()*	Löllingite	CoAs₂	2	262512,262537	317
Skutterudite ()*	Skutterudite Perovskite	CoAs₃	1	262512	531
Sphalerite ()*	Sphalerite	ZnS	2	262545,262553	21482
Stellerite ()*	Stilbite	Ca₄(Si₂₈Al₈)O₇₂·28H₂O	1	262512	189
Stilbite-Na ()*	Stilbite	Na₉(Si₂₇Al₉)O₇₂·28H₂O	1	262513	15
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3	262521,262523,262545	3337
Tenorite ()*	None	CuO	1	262513	1101
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	2	262512,262515	452
Thorite ()*	Zircon	Th(SiO₄)	1	262526	1006
Titanite ()*	Titanite	CaTi(SiO₄)O	4	262512,262526,262545,262546	4899
Tochilinite ()*	Tochilinite	6(Fe_0.9S)·5[(Mg,Fe)(OH)₂]	1	262545	56
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	1	262545	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1	262523	1395
Wavellite ()*	Wavellite	Al₃(PO₄)₂(OH)₃·5H₂O	1	262542	374
Zircon ()*	Zircon	Zr(SiO₄)	1	262542	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...