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
Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA


03793210017368166613444.jpg
Laumontite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
03793210017368166613444.jpg
Laumontite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
03427200017272024472881.jpg
Laumontite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Locality type:Road Cutting
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorite1
Quartz1
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96368
Long-form Identifier:1:3:96368:4
GUID (UUID V4):0
Nearest other occurrences of Laumontite
5.0km (3.1 miles) ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
10.7km (6.7 miles) ⓘState Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
20.3km (12.6 miles) ⓘO & G Woodbury Traprock Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA
23.4km (14.5 miles) ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA
23.8km (14.8 miles) ⓘO & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Orenaug Hills, Woodbury, Litchfield County, Connecticut, USA
25.2km (15.6 miles) ⓘState Route 9 - Ellis Street and State Route 72 interchanges (State Route 72 roadcut), New Britain, Hartford County, Connecticut, USA
26.4km (16.4 miles) ⓘPillow lava locality, Meriden, New Haven County, Connecticut, USA
27.4km (17.0 miles) ⓘMeriden Trap Rock Quarry (Lane's Quarry), Meriden, New Haven County, Connecticut, USA
30.0km (18.7 miles) ⓘ2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford County, Connecticut, USA
30.6km (19.0 miles) ⓘState Route 67 construction site, Oxford, New Haven County, Connecticut, USA
References
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
Segeler, Curt G., Molon, Joseph (1985) The Thomaston Dam Site Thomaston, Connecticut. Rocks & Minerals, 60 (3) 119-124 doi:10.1080/00357529.1985.11764386
 
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