Chester Co., Pennsylvania, USA

Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester Co., Pennsylvania, USA

Photo: 2009 David S. Bernstein

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Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite
~~Akaganeite~~
Albite
var: Oligoclase
'Albite-Anorthite Series'
'Allanite'
'Amphibole Group'
'var: Byssolite'
Anatase ?
Ancylite-(Ce)
Andradite
Anglesite
Ankerite
Anthophyllite
Antigorite
var: Picrolite
'Apatite'
'Apophyllite'
Apophyllite-(KF)
Aquacreptite (of Shepard)
Aragonite
'Asbestos'
Augite
Aurichalcite
Axinite-(Fe)
Azurite
Baryte
Beryl
var: Aquamarine
Biotite
Bornite
Brochantite
Brookite
Brucite
Calcite
Cerussite
Chalcanthite
Chalcocite
Chalcopyrite
var: Auriferous Chalcopyrite
'Chlorite Group'
Chondrodite
Chromite

Chrysocolla
Chrysotile
Clinochlore (TL)
var: Chromian Clinochlore
var: Sheridanite
Clinozoisite
Cobaltite
~~Coeruleolactite~~
'Colerainite'
Columbite
Copper
Corundum
Covellite
Cuprite
Datolite
Descloizite
'Deweylite'
Diaspore
Diopside
Dolomite
var: Ferroan Dolomite
Dravite
Dumortierite
Enstatite
Epidote
Erythrite
'Feldspar Group
var: Sunstone'
Fluorite
Forsterite
Galena
var: Argentiferous Galena
'Garnet'
Gersdorffite
Gibbsite
Goethite
Graphite
Grossular
Gypsum
Hematite
Hemimorphite
'Heulandite'
'Hornblende'
Hydromagnesite

Hydrozincite
Ilmenite
Jarosite
Kaolinite
'K Feldspar'
'var: Adularia'
Kyanite
Laumontite
Lepidocrocite
Limonite
Linarite
Magnesite
Magnetite
Malachite
Margarite
Marialite
Matulaite
Mendipite
Mesolite
'Mica Group'
Microcline
var: Chesterlite
Mimetite
Molybdenite
Mottramite
Muscovite
var: Damourite
Natrolite
Orthoclase
Palygorskite
Paragonite
Phlogopite
Phosphuranylite
Pigeonite
Planerite
Prehnite
Pseudomalachite
Pyrite
var: Cobaltoan Pyrite
Pyrolusite
Pyromorphite
'Pyroxene Group'
Pyrrhotite

Quartz
var: Amethyst
var: Blue Quartz
var: Chalcedony
var: Prase
var: Smoky Quartz
Rhodochrosite
Riebeckite
Rutile
'Scapolite'
var: Wernerite
Schorl
Sepiolite
'Serpentine Group'
'var: Marmolite'
Siderite
Sillimanite
Silver
Smithsonite
Spessartine
Sphalerite
Stibnite
'Stilbite'
Stilbite-Ca
Stilpnomelane
Sulphur
Talc
'Thomsonite'
Thomsonite-Ca
Titanite
'Tourmaline'
Tremolite
Vanadinite
Vermiculite
Vesuvianite
'Wad'
Wavellite
Wheatleyite (TL)
Wulfenite
Zaratite
Zircon
Zoisite

187 entries listed. 122 valid minerals. 2 type localities (valid minerals). 2 erroneous literature entries.

Localities in this Region

USA

Pennsylvania
- Chester Co.
  - Birmingham Township
  - East Bradford Township
  - East Caln Township
    - Downington
  - East Goshen Township
    - Willowdale
  - East Marlboro Township
    - Upland
      - Logan's Quarry
  - East Nottingham Township
    - Oxford
  - East Whiteland Township
  - Elk Township
    - Elk Creek Pegmatite
  - Kennett Township
    - Kennett Square
  - London Britain Township
    - Landenberg
      - Nevin's Quarry
  - Malvern Borough
    - Malvern
  - Newlin Township
    - Beryl Hill
    - Edward's Quarry (Edward's Limestone Quarry)
    - Unionville
      - Corundum Hill
  - Pennsbury Township
  - Pocopson Township
    - Pocopson
  - Sadsbury Township
    - Parkesburg
  - Schuylkill Township
    - Phoenixville
      - Phoenixville Tunnel (Conrail Tunnel; Black Rock Tunnel)
    - Phoenixville Mining District
      - Brookdale Mine
      - Buckwater Mine

USA

Pennsylvania
- Chester Co.
  - Schuylkill Township
    - Phoenixville mining District
  - Valley Township
    - Coatesville
      - Coatesville pegmatite locality
    - Wagontown
      - Steidler pegmatite
  - Wallace Township
    - Cornog
      - Keystone Trap Rock Quarry
  - Warwick Township
  - West Bradford Township
    - Chester County Poorhouse Quarry (Poor House Quarry)
  - West Marlboro Township
    - Bailey's Quarry
    - Doe Run Quarries
    - Unionville
      - R. Baily's Quarry
  - West Nottingham Township
  - West Pikeland Township
    - Chester Springs
      - Benjamin Franklin Mine
  - Westtown Township
    - West Chester
      - Brinton's Quarry

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sloto Ronald A. The Mines and Minerals of Chester County, Privately Published, 2009, 469 p.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Pennsylvania, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 8th Dec 2011 14:20:58