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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Laumontite from
Pillow lava locality, Meriden, New Haven County, Connecticut, USA


Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Pillow lava locality, Meriden, New Haven County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:423787
Long-form Identifier:1:3:423787:7
GUID (UUID V4):0
Nearest other occurrences of Laumontite
1.9km (1.2 miles) ⓘMeriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven County, Connecticut, USA
9.9km (6.2 miles) ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA
11.7km (7.3 miles) ⓘReed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex County, Connecticut, USA
12.0km (7.5 miles) ⓘState Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford County, Connecticut, USA
17.5km (10.9 miles) ⓘ2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford County, Connecticut, USA
21.5km (13.4 miles) ⓘState Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
24.6km (15.3 miles) ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
25.2km (15.7 miles) ⓘMill Rock, Hamden, New Haven County, Connecticut, USA
26.3km (16.3 miles) ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA
26.4km (16.4 miles) ⓘPine Rock Quarry (Farnham Quarry), Hamden, New Haven County, Connecticut, USA
References
Originally posted based on reference (Ulrich, 1975 cited by Tschernich, 1992) that is not referring to this location.
 
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