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:
Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon Co., Pennsylvania, USA

mindat Locality ID: 3653
mindat URL: http://www.mindat.org/loc-3653.html

Tectonic Settings:

Total number of sublocalities beneath "Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon Co., Pennsylvania, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 40°16'0"N
Longitude: 76°23'60"W
Decimal Degree (lat, lon): 40.266666666667,-76.4

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	Analcime	Apophyllite	Aragonite	Baryte	Botryogen	Brochantite	Brucite	Calcite
Chalcanthite	Chalcopyrite	Clay	Clinozoisite	Copper	Corundum	Covellite	Epidote	Feldspar	Fluorite
Gadolinite	Garnet	Gypsum	Hydrotalcite	Kaolinite	Malachite	Marcasite	Melanterite	Mica	Millerite
Natrolite	Nickeline	None	Not in a structural group	Olivine	Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt
Ruizite	Rutile	Serpentine	Sphalerite	Spinel	Talc	Thomsonite	Titanite	Tochilinite	Tourmaline
Vesuvianite	Vivianite	Wurtzite

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 Co Cu F Fe H K Li Mg Mn Na Ni O Pb S Si Ti Zn

Elements from minerals reported directly at this locality: Al As B Ba C Ca Co Cu F Fe H K Li Mg Mn Na Ni O Pb S Si Ti Zn

Structural Groups for minerals in this locality:
Allophane Amphibole Analcime Apophyllite Aragonite Baryte Botryogen Brochantite Brucite Calcite
Chalcanthite Chalcopyrite Clay Clinozoisite Copper Corundum Covellite Epidote Feldspar Fluorite
Gadolinite Garnet Gypsum Hydrotalcite Kaolinite Malachite Marcasite Melanterite Mica Millerite
Natrolite Nickeline None Not in a structural group Olivine Prehnite Pyrite Pyroxene Quartz Rocksalt
Ruizite Rutile Serpentine Sphalerite Spinel Talc Thomsonite Titanite Tochilinite Tourmaline
Vesuvianite Vivianite Wurtzite

65 IMA Minerals at location:

Actinolite ()*	Albite ()*	Analcime ()*	Andradite ()*	Anorthite ()*
Antigorite ()*	Aragonite ()*	Augite ()*	Azurite ()*	Baryte ()*
Bieberite ()*	Botryogen ()*	Brochantite ()*	Brucite ()*	Calcite ()*
Chalcanthite ()*	Chalcocite ()*	Chalcopyrite ()*	Chrysocolla ()*	Chrysotile ()*
Copper ()*	Covellite ()*	Cuprite ()*	Datolite ()*	Diopside ()*
Elbaite ()*	Enstatite ()*	Epidote ()*	Erythrite ()*	Fluorite ()*
Forsterite ()*	Galena ()*	Grossular ()*	Gypsum ()*	Hematite ()*
Hydroxyapophyllite-(K) ()*	Ilmenite ()*	Kaolinite ()*	Langite ()*	Laumontite ()*
Magnetite ()*	Malachite ()*	Marcasite ()*	Microcline ()*	Millerite ()*
Muscovite ()*	Natrolite ()*	Orthoclase ()*	Phlogopite ()*	Pigeonite ()*
Prehnite ()*	Pyrite ()*	Pyroaurite ()*	Pyrrhotite ()*	Quartz ()*
Ruizite ()*	Rutile ()*	Sphalerite ()*	Talc ()*	Thomsonite-Ca ()*
Titanite ()*	Tochilinite ()*	Tremolite ()*	Vesuvianite ()*	Wurtzite ()*

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
Albite ()*	Feldspar	Na(AlSi₃O₈)	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1627
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	1534
Anorthite ()*	Feldspar	Ca(Al₂Si₂O₈)	1036
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	708
Aragonite ()*	Aragonite	Ca(CO₃)	3250
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	2060
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	5509
Baryte ()*	Baryte	Ba(SO₄)	11547
Bieberite ()*	Melanterite	Co(SO₄)·7H₂O	50
Botryogen ()*	Botryogen	MgFe³⁺(SO₄)₂(OH)·7H₂O	45
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆	1633
Brucite ()*	Brucite	Mg(OH)₂	462
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcanthite ()*	Chalcanthite	Cu(SO₄)·5H₂O	925
Chalcocite ()*	None	Cu₂S	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄	951
Copper ()*	Copper	Cu	3846
Covellite ()*	Covellite	CuS	4165
Cuprite ()*	Not in a structural group	Cu₂O	2970
Datolite ()*	Gadolinite	CaB(SiO₄)(OH)	498
Diopside ()*	Pyroxene	CaMgSi₂O₆	4135
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	520
Enstatite ()*	Pyroxene	Mg₂Si₂O₆	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	8173
Erythrite ()*	Vivianite	Co₃(AsO₄)₂·8H₂O	814
Fluorite ()*	Fluorite	CaF₂	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)	1188
Galena ()*	Rocksalt	PbS	24243
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1544
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Hematite ()*	Corundum	Fe₂O₃	14640
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	85
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Langite ()*	None	Cu₄(SO₄)(OH)₆·2H₂O	593
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	1271
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	12537
Marcasite ()*	Marcasite	FeS₂	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	4924
Millerite ()*	Millerite	NiS	1066
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	1236
Orthoclase ()*	Feldspar	K(AlSi₃O₈)	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2273
Pigeonite ()*	Pyroxene	(Mg,Fe,Ca)₂Si₂O₆	303
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	1898
Pyrite ()*	Pyrite	FeS₂	39462
Pyroaurite ()*	Hydrotalcite	Mg₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O	89
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Ruizite ()*	Ruizite	Ca₂Mn³⁺₂Si₄O₁₁(OH)₄·2H₂O	6
Rutile ()*	Rutile	TiO₂	5614
Sphalerite ()*	Sphalerite	ZnS	21482
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	3337
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	452
Titanite ()*	Titanite	CaTi(SiO₄)O	4899
Tochilinite ()*	Tochilinite	6(Fe_0.9S)·5[(Mg,Fe)(OH)₂]	56
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2562
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	1395
Wurtzite ()*	Wurtzite	ZnS	372

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...