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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Clinozoisite from
McMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA


Locality type:Quarry
Classification
Species:Clinozoisite
Formula:(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Clinozoisite data
Locality Data:Click here to view McMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:201802
Long-form Identifier:1:3:201802:7
GUID (UUID V4):0
Nearest other occurrences of Clinozoisite
16.2km (10.1 miles) ⓘFrost Quarry, Davis, Howard County, Maryland, USA
46.4km (28.8 miles) ⓘLamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
57.2km (35.5 miles) ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
79.2km (49.2 miles) ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
85.9km (53.4 miles) ⓘChantilly Quarry, Chantilly, Loudoun County, Virginia, USA
92.7km (57.6 miles) ⓘFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
99.2km (61.7 miles) ⓘVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA
References
Bernstein, Lawrence R. (1976) Minerals of Washington, D.C. and vicinity. Open-File Report Vol. 76-849. US Geological Survey doi:10.3133/ofr76849
Bernstein, Lawrence R. (1980) Minerals of the Washington, D.C. Area - Issue 5 of Educational series, Maryland Geological Survey. Department of Natural Resources, Maryland Geological Survey. p.1-148.
 
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