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Muscovite from
Case Prospect No. 4, Case Quarries, Portland, Middlesex County, Connecticut, USA


Locality type:Prospect
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Formation:Primary
Comments:Accessory mineral in the wall and intermediate zones of the pegmatite.
Habit:anhedral
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Case Prospect No. 4, Case Quarries, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:1689340
Long-form Identifier:1:3:1689340:1
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.1km (0.0 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
0.1km (0.0 miles) ⓘCase Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA
0.1km (0.0 miles) ⓘCase Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA
0.1km (0.1 miles) ⓘCase Quarry No. 3, Case Quarries, Portland, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘAppletree Lane, Portland, Middlesex County, Connecticut, USA
1.4km (0.8 miles) ⓘGotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA
1.4km (0.9 miles) ⓘGotta-Wannerstrom Quarry, Portland, Middlesex County, Connecticut, USA
1.4km (0.9 miles) ⓘBordonaro Quarry, Portland, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
References
Harold Moritz field observationsIdentified by Harold Moritz: Visual Identification
 
and/or  
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