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Mount Grace, Warwick, Franklin Co., Massachusetts, USA
Latitude: 42°41'28"N
Longitude: 72°21'18"W
Longitude: 72°21'18"W
Emerson (1895) describes the locality: "High up on Mount Grace in hornblende schist the mineral [tourmaline] occurs abundantly in radiating groups about an inch across of shining black striated needles. It occurs also diverging in both directions from a plane which is only marked by a line of fine black grains and from which the needles go out at right angles. The tourmalines have often absorbed all the iron from the surrounding rock, and a fine granular quartzite slightly tinted by epidote remains.
Mineral List
| Dravite | Epidote | 'Hornblende' | Quartz |
4 entries listed. 3 valid minerals.
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References
Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126).
Francis, C. A. and D. E. Lange (1988): Four Occurrences of Dravite in Western New England (Rocks and Minerals 63:455).
Francis, C. A. and D. E. Lange (1988): Four Occurrences of Dravite in Western New England (Rocks and Minerals 63:455).
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Locality Updated: Mujuram, MoroccoFrom David Von Bargen, 23rd May 2013 12:19:45