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


08792090017367238718069.jpg
Pyrrhotite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
08792090017367238718069.jpg
Pyrrhotite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
08136800017272025096054.jpg
Pyrrhotite, etc.

Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Locality type:Road Cutting
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Formation:Primary
Comments:Accessory mineral in quartz segregations in the schist, can be associated with kyanite.
Habit:anhedral
Colour:bronzy, usually tarnished nearly black
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:
Albite1
Quartz1
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96377
Long-form Identifier:1:3:96377:2
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
1.6km (1.0 miles) ⓘState Routes 8 and 222 interchange, Thomaston, Litchfield County, Connecticut, USA
5.0km (3.1 miles) ⓘReynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
7.7km (4.8 miles) ⓘState Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA
10.7km (6.7 miles) ⓘState Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
16.9km (10.5 miles) ⓘMount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield County, Connecticut, USA
17.1km (10.6 miles) ⓘWest Torrington nickel mines (Coe Copper Mine; Hodges Mine; Barber Mine; Torrington Nickel Mine), Torrington, Litchfield County, Connecticut, USA
27.1km (16.8 miles) ⓘInterstate 84 and state Route 172 interchange, Southbury, New Haven County, Connecticut, USA
28.8km (17.9 miles) ⓘGreen's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA
38.6km (24.0 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
38.7km (24.1 miles) ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
References
Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.
 
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