| Locality type: | Quarry |
| Classification |
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| Species: | Columbite-(Fe) |
| Formula: | Fe2+Nb2O6 |
| Comments: | Wide variety of crystal habits, stout prisms reach a about 3 x 5 cm, while skeletal crystals intergrown with albite can reach 8 cm. Several crystals tested using XRD and Raman spectroscopy. |
| Habit: | skeletal, tabular, stout or elongated prisms |
| Colour: | black with iridescence |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | XRD |
| Associated Minerals Based on Photo Data: |
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| Albite | ⓘ40 photos of Columbite-(Fe) associated with Albite at this locality. |
| Fluorapatite | ⓘ12 photos of Columbite-(Fe) associated with Fluorapatite at this locality. |
| Metatorbernite | ⓘ12 photos of Columbite-(Fe) associated with Metatorbernite at this locality. |
| Quartz | ⓘ8 photos of Columbite-(Fe) associated with Quartz at this locality. |
| Muscovite | ⓘ6 photos of Columbite-(Fe) associated with Muscovite at this locality. |
| Zircon | ⓘ3 photos of Columbite-(Fe) associated with Zircon at this locality. |
| Schorl | ⓘ2 photos of Columbite-(Fe) associated with Schorl at this locality. |
| Meta-autunite | ⓘ2 photos of Columbite-(Fe) associated with Meta-autunite at this locality. |
| Löllingite | ⓘ2 photos of Columbite-(Fe) associated with Löllingite at this locality. |
| Beryl | ⓘ2 photos of Columbite-(Fe) associated with Beryl at this locality. |
| Data |
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| Mineral Data: | Click here to view Columbite-(Fe) data |
| Locality Data: | Click here to view Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| Photo Gallery | View Gallery (25 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 654967 |
| Long-form Identifier: | 1:3:654967:1 |
| GUID (UUID V4): | d8d74dca-aba7-486e-9d43-053b25556ea4 |
| Nearest other occurrences of Columbite-(Fe) |
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| 0.2km (0.1 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 2.4km (1.5 miles) | ⓘState Forest Quarry No. 2 (State Forest #2 Mica Mine; Carini Quarry), Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 3.0km (1.8 miles) | ⓘPenfield Quarry (Oak Leaf Quarry), Portland, Middlesex County, Connecticut, USA |
| 4.3km (2.7 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 4.8km (3.0 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 5.4km (3.4 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 5.6km (3.5 miles) | ⓘBordonaro Quarry, Portland, Middlesex County, Connecticut, USA |
| 6.2km (3.8 miles) | ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
| 6.5km (4.0 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
| 6.6km (4.1 miles) | ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| References |
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Nathan Hall Quarry, East Hampton, Middlesex County, Connecticut, USA