| Locality type: | Mine |
| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Comments: | Reference provides no details, but "orthoclase" used in early references for what has later proven to be microcline in metamorphic rocks and pegmatites in Connecticut. |
| Confirmation |
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|
| Validity: | Erroneously Reported |
| Data |
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| Mineral Data: | Click here to view Orthoclase data |
| Locality Data: | Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 102031 |
| Long-form Identifier: | 1:3:102031:1 |
| GUID (UUID V4): | 70555af5-6322-4da3-925c-651ee53fc747 |
| Nearest other occurrences of Orthoclase |
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| 3.8km (2.4 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 5.8km (3.6 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 10.0km (6.2 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
| 35.2km (21.9 miles) | ⓘMacCurdy Quarry, Old Lyme, New London County, Connecticut, USA |
| 36.1km (22.4 miles) | ⓘStony Creek Quarry (Norcross Granite Gneiss Rock Quarries; Castellucci Quarry), Branford, New Haven County, Connecticut, USA |
| 40.7km (25.3 miles) | ⓘFlatrock Quarry (Flat Rock Quarry; Crystal Mall), Waterford, New London County, Connecticut, USA |
| 41.1km (25.6 miles) | ⓘGoos Quarry, Waterford, New London County, Connecticut, USA |
| 43.5km (27.1 miles) | ⓘUnnamed quarry, Waterbury, New Haven County, Connecticut, USA |
| 65.6km (40.7 miles) | ⓘRockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
| 69.5km (43.2 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
| References |
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