| Locality type: | Prospect |
| Classification |
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| Species: | Microcline |
| Formula: | K(AlSi3O8) |
| Comments: | Stugard (1958) established through sampling of many pegmatites in the district that the plagiocalse component of pegmatites in the Middletown district is albite. Crystals contacting the quartz cores of these pegmatites are euhedral toward the core. |
| Colour: | white |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Very common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Smoky Quartz | β6 photos of Microcline associated with Smoky Quartz at this locality. |
| Beryl | β4 photos of Microcline associated with Beryl at this locality. |
| Muscovite | β3 photos of Microcline associated with Muscovite at this locality. |
| Schorl | β2 photos of Microcline associated with Schorl at this locality. |
| Bismuthinite | β1 photo of Microcline associated with Bismuthinite at this locality. |
| Albite | β1 photo of Microcline associated with Albite at this locality. |
| Data |
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| Mineral Data: | Click here to view Microcline data |
| Locality Data: | Click here to view Long Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 663189 |
| Long-form Identifier: | 1:3:663189:5 |
| GUID (UUID V4): | f2191a5c-a3a8-4bf5-add1-ba6fb37b5923 |
| Nearest other occurrences of Microcline |
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| 0.5km (0.3 miles) | βHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 0.7km (0.4 miles) | βArnold Quarry, Haddam, Middlesex County, Connecticut, USA |
| 0.8km (0.5 miles) | βNemo's Quarry, Haddam, Middlesex County, Connecticut, USA |
| 1.0km (0.6 miles) | βLong Hill Quarry, Haddam, Middlesex County, Connecticut, USA |
| 1.0km (0.6 miles) | βCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA |
| 1.1km (0.7 miles) | βCivilian Conservation Corps Quarry (CCC Quarry; Smith Quarry; Turkey Hill quarry lot), Haddam, Middlesex County, Connecticut, USA |
| 1.3km (0.8 miles) | βGulf Quarry, Haddam, Middlesex County, Connecticut, USA |
| 2.1km (1.3 miles) | βLong-lot Quarry, Haddam, Middlesex County, Connecticut, USA |
| 2.3km (1.4 miles) | βJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA |
| 2.3km (1.4 miles) | βArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA |
| References |
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Long Hill prospects, Haddam, Middlesex County, Connecticut, USA