McLear pegmatite quarry, De Kalb Township, St Lawrence Co., New York, USA

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Operated for feldspar from 1907 till the late 1930s. Shipped more than 120,000 tons feldspar in one decade.

References:
Schaub, B.M. (1929) A unique feldspar deposit near Dekalb Junction, New York. Economic Geology, 24, 68-89.

R.W. Munschauer II and D.G. Bailey (2009) The 36th Rochester Mineralogical Symposium, April 23-26, programme abstracts, 27-28.

Mineral List:

Albite
'Apatite'
Betafite
Calcite
Chalcopyrite
Diopside

Fluoro-edenite ?
Galena
Microcline
Phlogopite
Pyrite
Quartz

'Serpentine Group'
Thorite
Titanite
Uraninite
Zircon

17 entries listed. 15 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in New York, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 24th Nov 2009 06:38:16