Locality type: | Prospect |
Classification |
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Species: | Cookeite |
Formula: | (LiAl4◻)[AlSi3O10](OH)8 |
Comments: | associated with elbaite, lepidolite, beryl |
Habit: | botryoidal aggregates of platy crystals |
Colour: | pale yellow to gray |
Abundance at site: | Common |
Confirmation |
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Validity: | Confirmed |
Confirmation Methods: | Visually Identified |
Associated Minerals Based on Photo Data: |
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Elbaite | ⓘ7 photos of Cookeite associated with Elbaite at this locality. |
Lepidolite | ⓘ6 photos of Cookeite associated with Lepidolite at this locality. |
Quartz | ⓘ5 photos of Cookeite associated with Quartz at this locality. |
Cassiterite | ⓘ2 photos of Cookeite associated with Cassiterite at this locality. |
Kaolinite | ⓘ1 photo of Cookeite associated with Kaolinite at this locality. |
Cleavelandite | ⓘ1 photo of Cookeite associated with Cleavelandite at this locality. |
Data |
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Mineral Data: | Click here to view Cookeite data |
Locality Data: | Click here to view Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
Photo Gallery | View Gallery (2 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 560689 |
Long-form Identifier: | 1:3:560689:4 |
GUID (UUID V4): | 56ac771e-222a-49fe-b2ec-75cea5e1aae1 |
Nearest other occurrences of Cookeite |
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6.8km (4.2 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
6.9km (4.3 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
9.4km (5.8 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
13.0km (8.1 miles) | ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
13.2km (8.2 miles) | ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
15.3km (9.5 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
17.9km (11.1 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
18.3km (11.4 miles) | ⓘQuarry Hill (Brainerd Quarries; Shailor Quarries), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
22.3km (13.9 miles) | ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
68.1km (42.3 miles) | ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA |
References |
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Brack Gem prospect, East Glastonbury, Glastonbury, Hartford County, Connecticut, USA