Crooker Gem Pegmatite Quarries (includes former Crooker Quarry; Blue Pit; Plumbago Prospects; Grand Canyon prospect; Martin Prospect; Big Blue Prospect; Vandelight Ledge Prospect; Stanley Prospect; several unnamed prospects), Newry, Oxford Co., Maine, USA
Granite Pegmatite. Oxford Field. List also includes species from the chlorite/actinolite/dravite schist host rocks. Halls Ridge, Plumbago-Puzzle Mountain. The Crooker Pegmatite has been extensively excavated and all former named prospects and quarries have been obliterated by recent quarrying. The former Crooker Quarries, Blue Pit, Plumbago Prospects, Grand Canyon Prospect, Martin Prospects, Cabin Prospect, Big Blue Prospect, Vandelight Ledge Prospect, Stanley Prospect, Dan Prospect, and several unnamed prospects have been united by on-going exploration and older names have only historical significance. Satellite images available pre-date the 2004 and newer operations. Land currently owned by Plumbago Timber and Quarries LLC which permitted use of new mineral discovery information to appear on mindat. The North American record lovely medium blue indicolite gemstone, 35.17 carats, is from this locality.
71 entries listed. 57 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
King, V. T., Jonaitis, L., and Brown, R., 2011, Fracture-Hosted Secondary Phosphate Mineralization at the Crooker Gem Pegmatite, Newry, Maine, USA, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 23-24.
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Locality Updated: Melgaço, Viana do Castelo District, PortugalFrom Rui Nunes, 12th Dec 2013 11:09:53