| Locality type: | Island |
| Classification |
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| Species: | Pumpellyite-(Mg) var: Chlorastrolite |
| Formula: | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chlorastrolite data |
| Locality Data: | Click here to view Smithwick Island, Isle Royale National Park, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 416966 |
| Long-form Identifier: | 1:3:416966:6 |
| GUID (UUID V4): | 375f7186-0c62-4ab9-9147-2545bb4e97f0 |
| Nearest other occurrences of Chlorastrolite |
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| 13.7km (8.5 miles) | ⓘEpidote Mine, Isle Royale National Park, Keweenaw County, Michigan, USA |
| 81.4km (50.6 miles) | ⓘCopper Falls, Eagle Harbor, Keweenaw County, Michigan, USA |
| 83.8km (52.0 miles) | ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 83.8km (52.1 miles) | ⓘNorthwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 84.0km (52.2 miles) | ⓘWaterbury Mine, Eagle Harbor, Keweenaw County, Michigan, USA |
| 84.2km (52.3 miles) | ⓘSt. Clair Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA |
| 84.3km (52.4 miles) | ⓘPhoenix Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA |
| 84.3km (52.4 miles) | ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA |
| 85.2km (52.9 miles) | ⓘCentral Exploration Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 85.8km (53.3 miles) | ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Book (edition) | | central Indiana, near Cincinnati, and Dowagiac, Michigan. Few have been reported years, in recent perhaps...mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, % mi. NE Less than 1887 ...Alabama has yielded a 4i%4 carat diamond from Shelby County, 30 miles south of Birmingham, found about 1900...Siding in St. Clair County, 20 miles northeast of Bir- mingham. One found in Lee County in 1901 weighs 4^...have a cornfield at Pounding Mill, Tazewell County, Va. A 3 carat stone, bought by a Knoxville |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Basalt is the copper- and agate-bearing rock in the Michigan Upper Peninsula; underneath the whole region is...dealers in some cities who stock maps. Maps of national forests may be obtained from the United States...field trips to pick up litter along highways, in national forest campgrounds and parks, and at popular collecting...properties in the copper mining region of Upper Michigan. For a century this has been a Mecca for collectors |  | | Book (volume) | | Special acknowledgment is due the United States National Museum, in particular to Dr. George Switzer, for...Photographs and information on the Petrified Forest National Monument were supplied by Fred C. Fagergren, Superintendent...respect to Isle Royale National Park were rendered by Superintendent John G. Lewis and Park Historian...Historian Lloyd Abelson in the case of Pipestone National Monument. Information on gems and gemstones in the American...of Mines, Mining and Geology; on the State of Michigan by Robert W. Kelley of the Department of Conservation; |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...from the magazines or disvarious regional and national con- ventions. Perhaps among the stones you...Forest Service, Washington 25, publishes maps of national forest areas. The Geological Survey's topographical...collecting there. A third alternative is to encourage park districts, forest preserves, or other public agencies...pink hue (right) from the Sunnyside Mine, San Juan County, Colorado. MOTTLED AGATE from Chihuahua, Mexico |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...they may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey...major cities who stock topographic maps. Maps of national forests can be obtained from the VS for DC ...deathtraps ACTIVE left the in upper peninsula of Michigan, where much of the was produced in the last century |
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