Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Gypsum from
Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA


Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Cornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:132760
Long-form Identifier:1:3:132760:1
GUID (UUID V4):0
Nearest other occurrences of Gypsum
33.9km (21.1 miles) ⓘBlue Ball Stone Co. Quarry, Blue Ball, East Earl Township, Lancaster County, Pennsylvania, USA
39.7km (24.7 miles) ⓘCodorus Stone & Supply Co. Quarry, Emigsville, East Manchester Township, York County, Pennsylvania, USA
45.4km (28.2 miles) ⓘGrace Mine, Morgantown, Berks County, Pennsylvania, USA
48.0km (29.8 miles) ⓘJones mine, Caernarvon Township, Berks County, Pennsylvania, USA
57.2km (35.5 miles) ⓘBurnside, Northumberland County, Pennsylvania, USA
58.4km (36.3 miles) ⓘMeckley's Quarry, Mandata, Northumberland County, Pennsylvania, USA
58.7km (36.5 miles) ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA
59.3km (36.8 miles) ⓘKeystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA
81.1km (50.4 miles) ⓘFaylor-Middle Creek Quarry, Winfield, Union County, Pennsylvania, USA
86.5km (53.8 miles) ⓘTeeter Quarry, Cumberland Township, Adams County, Pennsylvania, USA
References
Lapham, Davis M., Geyer, Alan R. (1965) Mineral Collecting in Pennsylvania. Bulletin G33 (2nd ed.). Pennsylvania Geological Survey
 
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