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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Stilbite Subgroup from
Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA


Locality type:Mine
Classification
Species:'Stilbite Subgroup' (not an IMA approved species)
Formula:M6-7[Al8-9Si27-28O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilbite Subgroup data
Locality Data:Click here to view Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:150398
Long-form Identifier:1:3:150398:2
GUID (UUID V4):0
Nearest other occurrences of Stilbite Subgroup
4.5km (2.8 miles) ⓘWoodberry Quarry, Woodberry, Baltimore City, Maryland, USA
7.4km (4.6 miles) ⓘJones Falls Quarries, Baltimore City, Maryland, USA
16.8km (10.4 miles) ⓘEllicott City, Howard County, Maryland, USA
23.7km (14.7 miles) ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA
38.6km (24.0 miles) ⓘChurchville Quarry (Davis Quarry Company Inc.), Harford County, Maryland, USA
66.4km (41.3 miles) ⓘTeeter Quarry, Cumberland Township, Adams County, Pennsylvania, USA
68.5km (42.6 miles) ⓘDickerson Trap Rock Quarries, Dickerson, Montgomery County, Maryland, USA
75.2km (46.7 miles) ⓘFairfield Quarry, Fairfield, Hamiltonban Township, Adams County, Pennsylvania, USA
80.1km (49.7 miles) ⓘLeesburg Quarry, Leesburg, Loudoun County, Virginia, USA
80.3km (49.9 miles) ⓘUnnamed roadcut, Rossville, Warrington Township, York County, Pennsylvania, USA
References
Rocks & Min.: 21:144-145
Ostrander, Charles W., Price, Jr, Walter E. (1940) Minerals of Maryland. The Natural History Society of Maryland, Baltimore, Maryland, USA. 14pp.p.27
 
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