Ruggles Mine - Wikipedia
Sam Ruggles (3 August 1770 – 27 May 1843) started the first commercial mica mine in the United States at the site that bears his name. Mica at the time was used to make, among other things, lamp chimneys and stove windows. Ruggles began as a grocer and was merchant of West India goods in Boston, Massachusetts. He was never a resident of New Hampshire (he was born, lived and died in Boston), and hired local workers in Grafton to operate the mine. Local lore states th
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MICA-BEARING PEGMATITES OF NEW HAMPSHIRE
A comprehensive report on the geology of New Hampshire, in which the mica deposits and their association with sillimanite- mica schist were discussed, was published by
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Could This Be The End of a Historic New Hampshire Rockhound
2022年7月1日 Tom Mortimer collected this black biotite, a kind of mica, from Ruggles Mine. Courtesy Tom Mortimer. Mica comprises a group of minerals that can be split into
learn moreAtlas Obscura - Curious and Wondrous Travel
2022年6月30日 292. In a sleepy corner of New Hampshire’s White Mountains, 100 miles north of Boston, lies Ruggles Mine, North America’s first mica mine. The yawning open-pit mine overlooks stunning hilltop ...
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New Hampshire Mica Mines The Diggings™
Filter 56 mica mines by commodity, disposition, development status, and record type in New Hampshire. Quick Facts Aluminum , Beryllium , Bismuth , Cadmium , and Copper mines
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Historic mica mine up for sale in NH New Hampshire
2016年6月12日 GRAFTON, N.H. — It’s a mine, but it could be yours for $2 million. Ruggles Mine, which produced mica and other minerals for 160 years before being turned into a New England tourist attraction...
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Mica-bearing pegmatites of New Hampshire Semantic Scholar
Mica from 60 percent of the 131 mines was of a light-amber color. Pegmatites that contain abundant biotite generally yield mica that is of a light-amber or ruby color; those that
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