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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Malachite from
Roncari Quarry, East Granby, Hartford County, Connecticut, USA


06415570017367097667028.jpg
Malachite, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
06415570017367097667028.jpg
Malachite, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
03969190017272298858644.jpg
Malachite, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
Locality type:Quarry
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Comments:Associated with chrysocolla.
Habit:massive to acicular
Colour:green
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Chrysocolla2
Calcite2
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Roncari Quarry, East Granby, Hartford County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:896376
Long-form Identifier:1:3:896376:5
GUID (UUID V4):0
Nearest other occurrences of Malachite
0.9km (0.6 miles) ⓘState Route 20 road cut, East Granby, Hartford County, Connecticut, USA
2.7km (1.7 miles) ⓘNew-Gate Copper Mine (Old New-Gate Prison), Simsbury Mines, East Granby, Hartford County, Connecticut, USA
2.7km (1.7 miles) ⓘSimsbury Mines, East Granby, Hartford County, Connecticut, USA
3.6km (2.3 miles) ⓘNorth Hill Mines, Simsbury Mines, East Granby, Hartford County, Connecticut, USA
4.5km (2.8 miles) ⓘWyncairne subdivision, East Granby, Hartford County, Connecticut, USA
11.8km (7.3 miles) ⓘK-F Quarry (Kelsey-Ferguson Quarry), Suffield, Hartford County, Connecticut, USA
19.6km (12.2 miles) ⓘHuckleberry Hill, Avon, Hartford County, Connecticut, USA
20.7km (12.8 miles) ⓘLane & Son traprock quarries (Lane's Quarry), Westfield, Hampden County, Massachusetts, USA
21.4km (13.3 miles) ⓘTrinity Ridge, Hartford, Hartford County, Connecticut, USA
22.1km (13.8 miles) ⓘHighridge Road, Avon, Hartford County, Connecticut, USA
References
Moritz, Harold (n.d.) Personal Communication.
 
and/or  
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