Locality type: | Quarry |
Classification |
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Species: | Columbite-(Fe) |
Formula: | Fe2+Nb2O6 |
Comments: | It occurs chiefly as black, metallic crystals of small size from a half inch to an inch in length. Associated with fluorapatite. |
Colour: | black with iridescence |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | Visually Identified |
Associated Minerals Based on Photo Data: |
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Elbaite | ⓘ1 photo of Columbite-(Fe) associated with Elbaite at this locality. |
Quartz | ⓘ1 photo of Columbite-(Fe) associated with Quartz at this locality. |
Muscovite | ⓘ1 photo of Columbite-(Fe) associated with Muscovite at this locality. |
Albite | ⓘ1 photo of Columbite-(Fe) associated with Albite at this locality. |
Cleavelandite | ⓘ1 photo of Columbite-(Fe) associated with Cleavelandite at this locality. |
Data |
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Mineral Data: | Click here to view Columbite-(Fe) data |
Locality Data: | Click here to view Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
Photo Gallery | View Gallery (3 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 687248 |
Long-form Identifier: | 1:3:687248:9 |
GUID (UUID V4): | 8a36400e-e9ad-4b58-b9e1-51358590b972 |
Nearest other occurrences of Columbite-(Fe) |
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0.4km (0.2 miles) | ⓘBordonaro Quarry, Portland, Middlesex County, Connecticut, USA |
1.2km (0.7 miles) | ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
1.4km (0.9 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
1.5km (1.0 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
2.3km (1.4 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
2.3km (1.4 miles) | ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
3.0km (1.8 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
3.0km (1.9 miles) | ⓘPenfield Quarry (Oak Leaf Quarry), Portland, Middlesex County, Connecticut, USA |
5.2km (3.3 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
5.4km (3.4 miles) | ⓘNathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
References |
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Reference Search (possible matching items) |
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| | Book | Stories in Stone Early Connecticut Silver, 1700–1840 by Peter Bohan and Philip Hammerslough Introduction...Starr Stories in Stone How Geology Influenced Connecticut History and Culture by Jelle Zeilinga de Boer...Boer Stories in Stone How Geology Influenced Connecticut History and Culture Jelle Zeilinga de Boer ...978–0-8195–6891–5 (cloth : alk. paper) 1. Geology—Connecticut. I. Title. qe93.z45 2009 557.46—dc22 2009011073...Sidebar: Gems in Quarry Tailings Sidebar: Other Historic Quarries and Mines in Connecticut 4. Settlers and |
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Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA