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
State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA


Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Comments:A few scanty crusts of light blue azurite, with malachite and chalcopyrite, on amphibolite (Schooner, circa 1985).
Habit:crust
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920668
Long-form Identifier:1:3:920668:7
GUID (UUID V4):0
Nearest other occurrences of Malachite
14.6km (9.1 miles) ⓘState Forest Quarry No. 2, Cobalt, East Hampton, Middlesex County, Connecticut, USA
14.7km (9.1 miles) ⓘMiddletown lead mines (Middletown Mine), Middletown, Middlesex County, Connecticut, USA
16.5km (10.2 miles) ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
21.6km (13.4 miles) ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA
26.1km (16.2 miles) ⓘGolden Parlour Mine, Meriden, New Haven County, Connecticut, USA
27.1km (16.8 miles) ⓘRocky Hill Quarry, Rocky Hill, Hartford County, Connecticut, USA
27.4km (17.0 miles) ⓘFarm River Rock Quarry, East Haven, New Haven County, Connecticut, USA
29.3km (18.2 miles) ⓘCopper Valley Mine, Cheshire, New Haven County, Connecticut, USA
29.7km (18.4 miles) ⓘCross Rock Copper Mine, Cheshire, New Haven County, Connecticut, USA
30.7km (19.1 miles) ⓘSherrill Street quarry, New Britain, Hartford County, Connecticut, USA
References
Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
 
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