| Locality type: | Lode |
| Classification |
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| Species: | Beryl |
| Formula: | Be3Al2(Si6O18) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Beryl data |
| Locality Data: | Click here to view Earl Lode, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 382801 |
| Long-form Identifier: | 1:3:382801:4 |
| GUID (UUID V4): | 51561928-b410-4da0-955f-1e28b6d56698 |
| Nearest other occurrences of Beryl |
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| 0.6km (0.3 miles) | ⓘMica King Mine (Lost Bonanza; Cook Mine), Custer Mining District, Custer County, South Dakota, USA |
| 1.1km (0.7 miles) | ⓘElkhorn Mine (Tinsley Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 1.2km (0.7 miles) | ⓘBeck Lode, Custer Mining District, Custer County, South Dakota, USA |
| 1.3km (0.8 miles) | ⓘHot Shot mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 1.8km (1.1 miles) | ⓘBull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘBuster No. 3 Claim, Custer Mining District, Custer County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘBeecher No. 3, Beecher Lode, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘCuster Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.6km (2.3 miles) | ⓘElk No. 1 Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 3.9km (2.4 miles) | ⓘNumber Nine Lode, Custer Mining District, Custer County, South Dakota, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL SURVEY...Descriptions, maps, and diagrams of deposits of mica, beryl, lithium, tantalum, tin, and feldspar UNITED STATES..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________...Prospecting for mica.___________________________ Beryl deposits.-___.__-_-___--_--__--:_-__-__--_--__ Distribution..._____ Types of beryl deposits_-__-_-_-_--------------__ Structural features of beryl deposits..-.___________ |  | | Report (issue) | | STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President |  | | Journal (issue) | | the Department of Geology of the University of South Caro lina in Columbia. It was a pleasant and exhilerating...Department of Geology Museum, University of South Carolina, Columbia, South Carolina. Perhaps the collection, begun...hiddenite specimens in his collection from Alexander County, North Carolina, and those superb quartz crystal...surprisingly good specimens. Nowadays the University of South Carolina’s collection cannot be classed as one of...collections. Let us hope that the Uni versity of South Carolina has the patience and persistence to keep |  | | Report (issue) | | AMERICA SOUTH DAKOTA 1989 THE NATIONAL GAZETTEER OF THE UNITED STATES OF AMERICA SOUTH DAKOTA 1989 "The... "The Pulpit," Badlands National Park, South Dakota. Apparently named for its resemblance to a ministerial...complex features characteristic of South Dakota Badlands. In South Dakota, the term "badlands" is generally...GAZETTEER OF THE UNITED STATES OF AMERICASOUTH DAKOTA 1989 U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...National gazetteer of the United States of America. South Dakota 1989 / prepared by the U.S. Geological Survey |  | | Journal (article/letter/editorial) | | the authorfeelscouldalsobe appliedto other the beryl-bearingpegrnatites,which correspondto regionsof...fundamentally of accessory minerals--tourmaline,mica,beryl, topaz, and spodumene.This classification etc.,...about accessories.Biotite commonlyis present,but beryl 60 percentof this rock. A quartz-microcline coreor...Tourmalineis more abundantthan in type 1 pegmatites and beryl is scanty. Like thoseof type 1, these pegmatitesdo...Microclineaveragesapproximately10 percent core. Beryl, the main economicproduct of these albite in perthitic |
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