| Locality type: | Prospect |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Comments: | A common accessory in the pegmatite, best crystals clustered around quartz-rich zones. Books average about 3 inches in diameter, but some are 6 inches in diameter and 4 inches thick. About 20 percent of the books are wedge-shaped. |
| Habit: | subhedral |
| Colour: | colorless or very pale ruby |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view Roberts Mica prospect, Haddam, Middlesex County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 654670 |
| Long-form Identifier: | 1:3:654670:0 |
| GUID (UUID V4): | fa9e4917-c3f0-44fa-8502-6f42abc4b6f2 |
| Nearest other occurrences of Muscovite |
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| 1.5km (0.9 miles) | ⓘJohn Salak Quarry, Haddam, Middlesex County, Connecticut, USA |
| 3.2km (2.0 miles) | ⓘDripps Road, Middletown, Middlesex County, Connecticut, USA |
| 4.2km (2.6 miles) | ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA |
| 4.9km (3.1 miles) | ⓘDurham, Middlesex County, Connecticut, USA |
| 5.8km (3.6 miles) | ⓘUnnamed magnetite occurrences, Higganum, Haddam, Middlesex County, Connecticut, USA |
| 6.3km (3.9 miles) | ⓘUnnamed quarry SE of Middletown (molybdenite locality), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 6.4km (4.0 miles) | ⓘThe Feldspar Corp. Quarry, White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 6.6km (4.1 miles) | ⓘHaddam Volunteer Fire Station, Higganum, Haddam, Middlesex County, Connecticut, USA |
| 6.7km (4.2 miles) | ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| 7.0km (4.4 miles) | ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | History of pegmatite mining inN ew England _______ _ Mica mining ______________________________ _ Feldspar...___ _ Geology of the pegmatite districts of Connecticut ___ _ Geology of the Middletown district ___________..._____________ _ Mica deposits ____ ·_________________________________ _ Kinds and characteristics of mica _________________..._________________ _ Properties of muscovite _____________________ _ Structural imperfections ____________________...classification of mica ____________________ _ Strategic mica _____________________________ _ Sheet mica _______ |
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