| Locality type: | Mountain |
| Classification |
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| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Sillimanite data |
| Locality Data: | Click here to view Hamburg Mountain, Hardyston Township, Sussex County, New Jersey, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 54525 |
| Long-form Identifier: | 1:3:54525:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Sillimanite |
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| 5.9km (3.6 miles) | ⓘPochuck Mountain, McAfee, Vernon Township, Sussex County, New Jersey, USA |
| 9.1km (5.6 miles) | ⓘCopper Mine shaft, Edison Mine, Sparta Township, Sussex County, New Jersey, USA |
| 9.5km (5.9 miles) | ⓘSterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA |
| 23.1km (14.3 miles) | ⓘMase Mountain, Tierneys Corner, Jefferson Township, Morris County, New Jersey, USA |
| 35.6km (22.1 miles) | ⓘVillage of Monroe, Town of Monroe, Orange County, New York, USA |
| 39.3km (24.4 miles) | ⓘShiloh, Frelinghuysen Township, Jenny Jump Mountain, Warren County, New Jersey, USA |
| 50.7km (31.5 miles) | ⓘHoit Mine, White Township, Warren County, New Jersey, USA |
| 52.3km (32.5 miles) | ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA |
| 53.3km (33.1 miles) | ⓘPeekskill, Westchester County, New York, USA |
| 62.5km (38.9 miles) | ⓘYorktown, Westchester County, New York, USA |
| References |
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