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Schorl from
Maryland Mine (Allen shaft), Potomac, Montgomery County, Maryland, USA


Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Maryland Mine (Allen shaft), Potomac, Montgomery County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:852891
Long-form Identifier:1:3:852891:9
GUID (UUID V4):1515b75c-e573-4ad7-852c-cbc8cbdd0914
Nearest other occurrences of Schorl
9.0km (5.6 miles) Huddlestone Mine, Rockville, Montgomery County, Maryland, USA
9.7km (6.1 miles) Ayrlawn park, Bethesda, Montgomery County, Maryland, USA
11.8km (7.3 miles) Rock Creek, Montgomery County, Maryland, USA
13.4km (8.3 miles) Halpine Crushed-schist Quarry, Montgomery County, Maryland, USA
19.9km (12.4 miles) Lamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
20.0km (12.5 miles) Kensington Mica Mine (Gilmore Mine; B. H. Warner Mine), Wheaton, Montgomery County, Maryland, USA
29.3km (18.2 miles) Fairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
30.9km (19.2 miles) Earth Products Company Mines, Montgomery County, Maryland, USA
31.0km (19.3 miles) Patuxent River Bridge, Route 29, Scaggsville, Howard County, Maryland, USA
31.3km (19.5 miles) Ben Murphy Mica Mine, Scaggsville, Howard County, Maryland, USA
References
 
Mineral and/or Locality  
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