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Corundum Hill, Unionville, Newlin Township, Chester Co., Pennsylvania, USA

Ref.: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 59-60; Silliman, Benjamin, Jr. (1849), "Descriptions and Analyses of Several American Minerals," Am. Jour. Sci., Vol. 8:381; Smith, J. Lawrence and Brush, George J. (1853), "Reexamination of American Minerals, Pt 1," Am. Jour. Sci., Vol. 15:209; Grant, Raymond W. (Feb, 1971), "Pennsylvania Minerals (PM), PM(98), Keystone Newsletter. Occurrence in albite-corundum pegmatites.





Map Reference: 39°53'N , 75°44'W

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Mineral List:
Albite
var: Oligoclase
Antigorite
var: Picrolite
'Chalcedony'
Chromite
Clinochlore
Corundum
'Deweylite'
Diaspore
Limonite
Magnetite
Margarite
Muscovite
var: Damourite

Paragonite
Quartz
'Serpentine Group'
'Tourmaline'


18 entries listed. 10 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 22nd Oct 2009 11:39:47