At-A-Glance
Country of Origin
CT
United States
Contributors
Charles Dahlgren
Photos
Essential Information
Specimen ID
1766
Mineral Name
Muscovite
Chemical Formula
KAl2(Si3Al)O10(OH,F)2
Subcollection
Captain Charles Bunker Dahlgren
Additional Details
Specimen Number
068
Physical Description
Curved gray crystals in feldspar
Geographic Origin
Locality Nickname
Branchville, Connecticut
Locality Lat/Long
41.2675, -73.442222
MinDat Locality URL
Additional Details
Geographic Features
Berkshire Mountains