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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Aragonite from
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Aragonite
Formula:CaCO3
Comments:as thin coatings on other minerals...invariably mediocre
Habit:coatings
Colour:white
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96182
Long-form Identifier:1:3:96182:6
GUID (UUID V4):0
Nearest other occurrences of Aragonite
0.1km (0.1 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
12.6km (7.8 miles) ⓘState Routes 9 and 372 interchange, Berlin, Hartford County, Connecticut, USA
12.8km (8.0 miles) ⓘThulite locality, Haddam, Middlesex County, Connecticut, USA
16.0km (10.0 miles) ⓘSherrill Street quarry, New Britain, Hartford County, Connecticut, USA
16.4km (10.2 miles) ⓘState Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford County, Connecticut, USA
18.1km (11.2 miles) ⓘReed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex County, Connecticut, USA
18.1km (11.2 miles) ⓘArute Field, New Britain, Hartford County, Connecticut, USA
18.4km (11.5 miles) ⓘThe Woodlands, Newington, Hartford County, Connecticut, USA
23.2km (14.4 miles) ⓘFarmington Trap Rock Quarry, Farmington, Hartford County, Connecticut, USA
32.6km (20.3 miles) ⓘNorth Branford Quarry, North Branford, New Haven County, Connecticut, USA
References
Schooner, Richard (1955) 90 Minerals from 1 Connecticut Hill. Rocks & Minerals, 30 (7-8). 351-358 doi:10.1080/00357529.1955.11767837
 
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