Source: https://www.mindat.org/loc-5939.html
Timestamp: 2019-04-19 00:41:41+00:00

Document:
Granite pegmatite. Hall's Ridge, Plumbago-Puzzle Mountain - Oxford pegmatite field. Land currently owned by Freeman Resources, LLC.
73 valid minerals. 1 (TL) - type locality of valid minerals. 1 erroneous literature entry.
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
Description: Crystals well-terminated and symmetrical to 17 x 17 x ~5 cm.
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1 King, V. (ed.), 2000, Mineralogy of Maine, V. 2. Moore, P. B., 2000, Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V. T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine, p. 333-336.
Description: Generally invisible unless illuminated with SW UV light, then brightly fluorescent green.
Description: The old reference was written before it was discovered that pyrolusite did not occur in dendrite form.
Description: Only specimen observed in not in typical matrix from the locality, although the specimen was reputedly from a reliable source. The species seems to be correctly identified, however.
Comments: Original map source: Digital bedrock data downloaded from Maine Office of GIS in September 2005; permission to redistribute these data granted by Dr. Robert Marvinney, State Geologist of Maine, in September 2006. Based on 1985 paper geologic map (Reference ME002).
King, V. and Foord, E. (1994) Mineralogy of Maine, Volume 1.
King, V. (ed.) (2000) Mineralogy of Maine, Volume 2.
Moore, P.B. (2000) Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V.T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine: 333-336.
Guidebook 1 to Mineral Collecting in the Maine Pegmatite Belt: 20-21.

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