| Locality type: | Mine |
| Classification |
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| Species: | Thomsonite-Ca |
| Formula: | NaCa2[Al5Si5O20] · 6H2O |
| Comments: | Reported as white, radiating groups of columnar crystals, on gneiss |
| Habit: | radiating columnar |
| Colour: | white |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Thomsonite-Ca data |
| Locality Data: | Click here to view Tilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 100239 |
| Long-form Identifier: | 1:3:100239:3 |
| GUID (UUID V4): | 8ebaee0c-412a-42fb-a607-f100e980dbed |
| Nearest other occurrences of Thomsonite-Ca |
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| 27.0km (16.8 miles) | ⓘPeekskill, Westchester County, New York, USA |
| 47.3km (29.4 miles) | ⓘPiermont, Orangetown, Rockland County, New York, USA |
| 50.4km (31.3 miles) | ⓘTappan, Orangetown, Rockland County, New York, USA |
| 68.9km (42.8 miles) | ⓘProspect Park Quarry, Prospect Park, Passaic County, New Jersey, USA |
| 72.4km (45.0 miles) | ⓘUpper New Street Quarry, Paterson, Passaic County, New Jersey, USA |
| 72.6km (45.1 miles) | ⓘLower New Street Quarry, Paterson, Passaic County, New Jersey, USA |
| 76.6km (47.6 miles) | ⓘFrancisco Brothers Quarry, Great Notch, Little Falls Township, Passaic County, New Jersey, USA |
| 82.7km (51.4 miles) | ⓘDelaware - Lackawanna & Western Railroad tunnels, Bergen Hill, Jersey City, Hudson County, New Jersey, USA |
| 85.2km (53.0 miles) | ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA |
| 85.6km (53.2 miles) | ⓘFranklin Mine, Franklin, Sussex County, New Jersey, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (issue) | | evolution, the great oxidation event, and the rise of colorful minerals .................................Hazen The best grossular garnets from the Jeffrey mine, Asbestos, Quebec ........ ............................... 839 by G. Carter The mineral collection of the Natural History Museum in Vienna .. ...........1972, and considered to be the finest known Jeffrey mine grossular specimen. Marco Amabili collection; James...Obituary: Peter Bancroft (by W. E. Wilson) What's New in Minerals Springfield Show, 2015 (by J. Polityka) |
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Tilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA