| Locality type: | Quarry |
| Classification |
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| Species: | Cookeite |
| Formula: | (LiAl4◻)[AlSi3O10](OH)8 |
| Formation: | Primary |
| Comments: | mm-sized globular crystal aggregates, one find so far (2021). |
| Habit: | globular aggregates of tabular crystals |
| Colour: | yellow-white |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Extremely Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | SEM-EDS |
| Associated Minerals Based on Photo Data: |
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| Albite | ⓘ1 photo of Cookeite associated with Albite at this locality. |
| Muscovite | ⓘ1 photo of Cookeite associated with Muscovite at this locality. |
| Data |
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| Mineral Data: | Click here to view Cookeite data |
| Locality Data: | Click here to view State Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1493061 |
| Long-form Identifier: | 1:3:1493061:0 |
| GUID (UUID V4): | 558dc208-7178-44ef-add0-9bec2a9ce880 |
| Nearest other occurrences of Cookeite |
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| 4.2km (2.6 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 6.6km (4.1 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| 6.7km (4.2 miles) | ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 6.8km (4.2 miles) | ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 6.8km (4.2 miles) | ⓘBrack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| 9.0km (5.6 miles) | ⓘAnderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine; Old Lithia Mine; Chatham Lithia Mine), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 11.8km (7.3 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 12.2km (7.6 miles) | ⓘQuarry Hill (Brainerd Quarries; Shailor Quarries), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 16.1km (10.0 miles) | ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 72.8km (45.2 miles) | ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA |
| References |
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State Forest Quarry No. 1, East Hampton, Middlesex County, Connecticut, USA