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Casey Quarry (Ridgefield pegmatite), Town of Ridgefield, Fairfield Co., Connecticut, USA

Latitude: 41°17'35"N
Longitude: 73°30'59"W
Very little has been written about the history and geology of this granite pegmatite. The small workings consist of an upper and a lower quarry, it reportedly was first worked some time in the 19th century, and then in 1954 it was quarried for beryl. Nothing seems to have been done there since, other than specimen collecting. The information on mineralogy comes from collecting guides (mostly just lists), the most detail is given by Januzzi (1959), and private collections. It is now controlled by a local land conservation group.

Mineral List

Albite
var: Cleavelandite
Bertrandite
Beryl
'Columbite'
Fluorapatite
'Garnet'
Lepidolite
Meta-autunite
Microcline
Muscovite
Opal
var: Opal-AN

Pollucite ?
Quartz
Schorl
Spodumene
'Stilbite'
'Tourmaline'
Uraninite
Uranophane
Zircon
var: Cyrtolite


22 entries listed. 15 valid minerals.

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References

Januzzi, Ronald E. (1959): The Minerals of Western Connecticut and Southeastern New York. The Mineralogical Press, Danbury, Connecticut.

Jones, Robert W. Jr., (1960): Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations. Fluorescent House. Branford, Connecticut.

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

Hiller, John, Jr. (1971): Connecticut Mines and Minerals. Privately published.

Ryerson Kathleen H. (1972): Rock Hounds Guide to Connecticut. The Pequot Press.

Henderson, William A., Jr. (1975), The Bertrandites of Connecticut. The Mineralogical Record: 6(3): 114-123.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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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