Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Aragonite from
French Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA


Locality type:Mine
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view French Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:1065
Long-form Identifier:1:3:1065:8
GUID (UUID V4):0
Nearest other occurrences of Aragonite
11.3km (7.0 miles) ⓘJones mine, Caernarvon Township, Berks County, Pennsylvania, USA
19.1km (11.9 miles) ⓘWheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA
22.2km (13.8 miles) ⓘFritz Island Mines, Cumru Township, Berks County, Pennsylvania, USA
24.1km (15.0 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
24.6km (15.3 miles) ⓘMarshall Quarry, West Goshen Township, Chester County, Pennsylvania, USA
26.1km (16.2 miles) ⓘKibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA
29.7km (18.4 miles) ⓘSinking Spring, Berks County, Pennsylvania, USA
31.6km (19.7 miles) ⓘBrinton's Quarry, Westtown Township, Chester County, Pennsylvania, USA
35.5km (22.1 miles) ⓘBullock Quarry (Geo. Bullock Quarry; George Bullock Quarry), West Conshohocken, Montgomery County, Pennsylvania, USA
35.7km (22.2 miles) ⓘHenry Pusey's quarry, Willowdale, East Marlboro Township, Chester County, Pennsylvania, USA
References
Sloto, Ronald A., Dickinson, Lana L. (1994) Famous Mineral Localities: The French Creek Mine, St. Peters, Chester County, Pennsylvania. The Mineralogical Record, 25 (2) 105-120
 
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