Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Muscovite from
Haddam Volunteer Fire Station, Higganum, Haddam, Middlesex County, Connecticut, USA


Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Comments:accessory flakes
Habit:anhedral
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Haddam Volunteer Fire Station, Higganum, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:928043
Long-form Identifier:1:3:928043:4
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.8km (0.5 miles) ⓘMagnetite occurrences, Higganum, Haddam, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘForest Ridge Road, Higganum, Haddam, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘFeldspar quarry, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.8km (1.1 miles) ⓘKelsey prospect (Parmalee farm), Haddam, Middlesex County, Connecticut, USA
1.9km (1.2 miles) ⓘTidewater feldspar quarry, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.9km (1.2 miles) ⓘKnudsen prospects, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
2.3km (1.4 miles) ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
2.9km (1.8 miles) ⓘHurd State Park quarries, East Hampton, Middlesex County, Connecticut, USA
2.9km (1.8 miles) ⓘAnderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
3.0km (1.9 miles) ⓘAnderson No. 2 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
References
Former Don Miller collection
 
and/or  
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