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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Diopside from
U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA


Locality type:Road Cutting
Classification
Species:Diopside
Formula:CaMgSi2O6
Comments:"In the iron works district of Brookfield (not at construction site) abundant diopside (white-gray) is found showing excellent parting planes." Januzzi (1994).
Colour:white-gray
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:810508
Long-form Identifier:1:3:810508:0
GUID (UUID V4):0
Nearest other occurrences of Diopside
3.0km (1.8 miles) ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
6.7km (4.2 miles) ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA
8.9km (5.5 miles) ⓘOld Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA
9.4km (5.9 miles) ⓘInterstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA
14.7km (9.2 miles) ⓘWest Redding grossular locality, Redding, Fairfield County, Connecticut, USA
17.1km (10.6 miles) ⓘAdvance Stone Quarry, Boardman's Bridge, New Milford, Litchfield County, Connecticut, USA
19.1km (11.9 miles) ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA
20.0km (12.5 miles) ⓘStevenson Mine (Burke's Copper Mine), Oxford, New Haven County, Connecticut, USA
21.0km (13.1 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
22.5km (14.0 miles) ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
References
Januzzi, Ronald. E. (1994) Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut, USA.
 
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