| Locality type: | Prospect |
| Classification |
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| Species: | Microcline |
| Formula: | K(AlSi3O8) |
| Comments: | anhedral crystals as much as 39 inches long and 12 inches thick (Cameron et al 1954) |
| Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
| Abundance at site: | Extremely common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Muscovite | β2 photos of Microcline associated with Muscovite at this locality. |
| Beryl | β1 photo of Microcline associated with Beryl at this locality. |
| Quartz | β1 photo of Microcline associated with Quartz at this locality. |
| Schorl | β1 photo of Microcline associated with Schorl at this locality. |
| Garnet Group | β1 photo of Microcline associated with Garnet Group at this locality. |
| Data |
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| Mineral Data: | Click here to view Microcline data |
| Locality Data: | Click here to view Gotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 686882 |
| Long-form Identifier: | 1:3:686882:6 |
| GUID (UUID V4): | 566dbe5f-7487-48b6-9834-c894b2069257 |
| Nearest other occurrences of Microcline |
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| 0.2km (0.1 miles) | βWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
| 0.4km (0.2 miles) | βBordonaro Quarry, Portland, Middlesex County, Connecticut, USA |
| 0.7km (0.4 miles) | βGotta-Wannerstrom Quarry, Portland, Middlesex County, Connecticut, USA |
| 0.7km (0.5 miles) | βAppletree Lane, Portland, Middlesex County, Connecticut, USA |
| 1.1km (0.7 miles) | βHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
| 1.3km (0.8 miles) | βCase Quarries, Portland, Middlesex County, Connecticut, USA |
| 1.4km (0.9 miles) | βAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
| 1.8km (1.1 miles) | βCape Hall Quarry, Portland, Middlesex County, Connecticut, USA |
| 1.9km (1.2 miles) | βPratt Quarry, Portland, Middlesex County, Connecticut, USA |
| 2.0km (1.3 miles) | βSimpson prospect #3, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (volume) | | Pegmatites of the Middletown Area Connecticut GEOLOGICAL SU R V EY BULLETIN This report concerns work...GEOLOGY PEGMATITES OF THE MIDDLETOWN AREA, CONNECTICUT By FREDERICK STUGARD, JR. ABSTRACT The pegmatites...pegmatites of the Middletown area in Connecticut have been mined almost continuously for feldspar and muscovite...pegmatites of the Middletown area of central Connecticut have been mined almost continuously since about...(fig. 59). 73" 72' FIOTTBE 59. Index map of Connecticut showing Mlddletown area. The Middle Haddam quadrangle |  | | Report (issue) | | ___ _ Geology of the pegmatite districts of Connecticut ___ _ Geology of the Middletown district ___________...Androscoggin County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County ___..._______________________ _ Oxford County ____________________________ _ Barrett beryl prospect __________________ _...Brown-Thurston beryl prospect __________ _ Bumpus feldspar quarry ________________ _ Donahue mica prospect _________________...and prospects-Continued Maine-Continued Oxford County-Continued George Elliot mica mine ________________ |
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