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Muscovite from
Spinelli prospect (Spinelli quarry), Glastonbury, Hartford Co., Connecticut, USA

Locality type:Prospect
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Comments:scattered crystals not well formed, but up to 15 cm or so across.
Habit:anhedral
Colour:greenish to silvery
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Davis, Fred E. and Stefan Nicolescu. (2011): Samarskite Rediscovered at the Spinelli Prospect, Glastonbury, Connecticut. Bulletin of the Peabody Museum of Natural History: 52(1):135-152.
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Spinelli prospect (Spinelli quarry), Glastonbury, Hartford Co., Connecticut, USA
Nearest other occurrences of Muscovite
1.1km (0.7 miles) Paxton Way, Glastonbury, Hartford Co., Connecticut, USA
1.2km (0.7 miles) East Glastonbury Quarry (Curtis Quarry), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
2.8km (1.8 miles) Carini Quarry, Glastonbury, Hartford Co., Connecticut, USA
3.9km (2.4 miles) Blumenthal prospect, Glastonbury, Hartford Co., Connecticut, USA
4.4km (2.7 miles) Chamberlain Lane, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
4.6km (2.8 miles) Roaring Brook Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
4.6km (2.9 miles) Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
5.2km (3.2 miles) John C. Wiarda Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
5.6km (3.5 miles) Hollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
5.7km (3.5 miles) Husband Quarry, South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
 
Mineral and/or Locality  
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