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Linkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex Co., Connecticut, USA
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Latitude: 41°35'N
Longitude: 72°29'W
 
 
A small, unusual pegmatite cropping out at what Schooner (1958) (the reported discoverer in 1938 - see Zodac (1940)), called the "Second Long Railroad Cut East of East Hampton" and what Weber and Sullivan (1995) called the "Linkpot railroad cut". It is along the former Airline Railroad trail and is reached by heading east from the parking area at the end of Smith Street. Schooner, in Zodac (1940) says that "The chlorophane occurs as a small vein, 1 inch wide, in a 2-foot pegmatite dike, 8 ft. off the ground and about 50 ft. from the beginning [west end] of the cut." The trail is now State of Connecticut land and collecting is not allowed without a permit from the Dept. of Energy & Environmental Protection.

The association of allanite-(Ce), bastnaesite-(Ce), fluorite, chalcopyrite, pyrite, plagioclase, and quartz makes it unusual for the Middletown pegmatite district.

Installation of an underground sewer line along the path unearthed additional minerals such as scheelite.

Mineral List

Albite
var: Oligoclase
'Albite-Anorthite Series'
Allanite-(Ce)
Almandine
Anorthite
var: Labradorite

Augite
Bastnäsite-(Ce)
Beryl
'Biotite'
Chalcopyrite
Fluorapatite
var: Mn-bearing Fluorapatite

Fluorite
var: Chlorophane

Gypsum
Kaolinite
'Lanthanite' ?
'Limonite'
Magnetite ?
Melanterite
Microcline
Molybdenite ?
Muscovite
'Olivine' ?
Pickeringite
Pyrite
Pyrrhotite
Quartz
Scheelite
Siderite ?
Sillimanite
Sphalerite
Staurolite
Titanite
'Tourmaline'
Wulfenite ?


35 entries listed. 24 valid minerals. 1 erroneous literature entry.

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References

Zodac, Peter. (1940), A Chlorophane Occurrence Near East Hampton, Conn. Rocks & Minerals: 15(11): 376.

Schooner, Richard. (1958), The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.

Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.

Januzzi, Ronald. (1976), Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury.

Robinson, George W. and Vandall T. King. (1988), What's New in Minerals? Mineralogical Record: 19(5): 332.

Weber, Marcelle H. and Earle C. Sullivan. (1995), Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 403.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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