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
Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA


02430380017272735158496.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
02695830017272021787554.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05614310017272021798520.jpg
Clinozoisite, etc.

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05389880017272021806987.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
02430380017272735158496.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
02695830017272021787554.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05614310017272021798520.jpg
Clinozoisite, etc.

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05389880017272021806987.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
07039480017272735165977.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
02695830017272021787554.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05614310017272021798520.jpg
Clinozoisite, etc.

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
05389880017272021806987.jpg
Clinozoisite

Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
Locality type:Quarry
Classification
Species:Clinozoisite
Formula:(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite8
Nacrite6
Diopside5
Titanite2
Grossular1
Data
Mineral Data:Click here to view Clinozoisite data
Locality Data:Click here to view Hunting Hill Quarry, Rockville, Montgomery County, Maryland, USA
Photo GalleryView Gallery (14 photos)
Data Identifiers
Mindat Occurrence Record ID:46597
Long-form Identifier:1:3:46597:9
GUID (UUID V4):0
Nearest other occurrences of Clinozoisite
19.0km (11.8 miles) ⓘLamberton Branch locality, Silver Spring, Montgomery County, Maryland, USA
25.0km (15.6 miles) ⓘOld Goose Creek Quarry, Leesburg, Loudoun County, Virginia, USA
28.8km (17.9 miles) ⓘChantilly Quarry, Chantilly, Loudoun County, Virginia, USA
36.3km (22.5 miles) ⓘFairfax Quarry, Centreville, Culpeper Basin, Fairfax County, Virginia, USA
41.2km (25.6 miles) ⓘFrost Quarry, Davis, Howard County, Maryland, USA
43.1km (26.8 miles) ⓘVulcan Materials Company Crushed Stone Quarry (Manassas Quarry), Manassas, Prince William County, Virginia, USA
57.2km (35.5 miles) ⓘMcMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA
References
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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