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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Chrysocolla from
Bristol Copper Mine, Bristol, Hartford County, Connecticut, USA


Locality type:Mine
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Comments:Alteration of bornite, chalcopyrite and chalcocite.
Habit:massive and waxy
Colour:blue-green, cyan
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Quartz4
Bornite2
Azurite1
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Bristol Copper Mine, Bristol, Hartford County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:718594
Long-form Identifier:1:3:718594:6
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
8.2km (5.1 miles) Tomasso Quarry, Farmington, Hartford County, Connecticut, USA
9.4km (5.8 miles) State Route 4 road cut, Farmington, Hartford County, Connecticut, USA
9.7km (6.0 miles) Plainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford County, Connecticut, USA
13.9km (8.6 miles) Arute Field, New Britain, Hartford County, Connecticut, USA
18.9km (11.8 miles) New Haven Mineral Company barite mine, Cheshire, New Haven County, Connecticut, USA
20.6km (12.8 miles) Pillow lava locality, Meriden, New Haven County, Connecticut, USA
22.2km (13.8 miles) Cheshire Barytes Company barite mine (Stamford Manufacturing Company barite mine), Cheshire, New Haven County, Connecticut, USA
26.4km (16.4 miles) Copper Valley Mine, Cheshire, New Haven County, Connecticut, USA
27.0km (16.8 miles) Jinny Hill Mine (Cheshire Barite Mine), Cheshire, New Haven County, Connecticut, USA
28.3km (17.6 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA
References
 
and/or  
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