Crump's Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA
Described as being on the "grounds of the Pennsylvania Training School for the Feeble Minded.", 0.4 km (0.25 mile) north of State Road, and 1.6 km (1 mile) west of Media. Feldspar quarries, pegmatites, and exposures are nearby.
In "pyroxenite" and "metaperidotite."
28 entries listed. 15 valid minerals.
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.
Gordon's Mineralogy of Pennsylvania (1922) p. 191
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Locality Updated: Lägern (Otelfingen; Boppelsen), Limmattal, Zürich, SwitzerlandFrom Richard Muster, 20th Jun 2013 07:17:08