Locality type: | Quarry |
Classification |
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Species: | Columbite-(Fe) |
Formula: | Fe2+Nb2O6 |
Comments: | Crystals and groups reached “remarkable size”. Yale has crystals and groups to over 10 cm. 500 pounds were mined between 1880-90. |
Habit: | Masses and well developed tabular to prismatic crystals & parallel groups, |
Colour: | black |
Quality for species: | Good crystals or rich for species - important (!) |
Abundance at site: | Common |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals Based on Photo Data: |
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Cleavelandite | ⓘ3 photos of Columbite-(Fe) associated with Cleavelandite at this locality. |
Fluorapatite | ⓘ2 photos of Columbite-(Fe) associated with Fluorapatite at this locality. |
Calcite | ⓘ2 photos of Columbite-(Fe) associated with Calcite at this locality. |
Albite | ⓘ1 photo of Columbite-(Fe) associated with Albite at this locality. |
Data |
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Mineral Data: | Click here to view Columbite-(Fe) data |
Locality Data: | Click here to view Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
Photo Gallery | View Gallery (5 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 776693 |
Long-form Identifier: | 1:3:776693:0 |
GUID (UUID V4): | 30b3137f-99b0-4dfd-b662-12517b3b32e1 |
Nearest other occurrences of Columbite-(Fe) |
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18.0km (11.2 miles) | ⓘKinkel Quarry, Bedford, Westchester County, New York, USA |
18.8km (11.7 miles) | ⓘBaylis Quarry (Bayliss Quarry), Bedford, Westchester County, New York, USA |
43.2km (26.8 miles) | ⓘNew England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA |
61.3km (38.1 miles) | ⓘFort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA |
61.9km (38.5 miles) | ⓘ185th Street & Harlem Speedway (Harlem River Drive), Manhattan (New York County), New York City, New York, USA |
73.4km (45.6 miles) | ⓘJohn Salak Quarry, Haddam, Middlesex County, Connecticut, USA |
75.2km (46.7 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
76.8km (47.7 miles) | ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
76.9km (47.8 miles) | ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
79.3km (49.3 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
References |
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Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA