| Locality type: | Prospect |
| Classification |
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| Species: | Pyrolusite |
| Formula: | Mn4+O2 |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Data |
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| Mineral Data: | Click here to view Pyrolusite data |
| Locality Data: | Click here to view Berkshire manganese prospect, Berkshire, Franklin County, Vermont, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 127646 |
| Long-form Identifier: | 1:3:127646:6 |
| GUID (UUID V4): | ab839e5d-845a-4722-a528-3dc470a1696c |
| Nearest other occurrences of Pyrolusite |
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| 34.9km (21.7 miles) | ⓘLake Memphremagog Mine (Smith's Mine; Patton Mine), Potton, Memphrémagog RCM, Estrie, Québec, Canada |
| 40.7km (25.3 miles) | ⓘIrasburg, Orleans County, Vermont, USA |
| 71.3km (44.3 miles) | ⓘPoudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | GRAND, ISLE: L Jirrwowwux/ lot* llMt UK* U'A VERMONT Mineral Locality Index VANDALL T. K I N G P.O....Massachusetts 01776 MASSACHUSETTS Figure J. Vermont political divisions map; adapted from U.S. Geological...of New Hampshire and Vermont (1972). 324 ROCKS & MINERALS he state of Vermont is relatively small,...ry in the world is in Rochester (Windsor Co.), Vermont. Min eral products mined "as is" for their final...maintained. (The disuse of cobblestone roads prevents Vermont from being a giant mining state today, but in the |  | | Journal (article/letter/editorial) | | fine crystallized rhodonite specimens include Franklin and Sterling Hill, New Jersey, and Broken Hill...gem-quality rhodonite in one of the traditional manganese ore districts of Minas Gerais, Brazil, prompted...yellow, and gray; it is commonly stained black by manganese oxides. It is transparent to translucent and displays...the formula CaMn4Si5O15, as already mentioned. Manganese is the dominant cation in most samples with magnesium...however, only the well-known zinc deposits of Franklin and Sterling Hill, New Jersey, have furnished |
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