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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Kaolinite from
Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA


Locality type:Road Cutting
Classification
Species:Kaolinite
Formula:Al2(Si2O5)(OH)4
Formation:Secondary
Comments:A mass of white clay occurs in a fault that cuts the pegmatite, with material constantly sliding out onto the track. Presumed to be kaolinite, but unanalyzed. Associated with pinkish montmorillonite.
Colour:white
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Kaolinite data
Locality Data:Click here to view Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96366
Long-form Identifier:1:3:96366:6
GUID (UUID V4):0
Nearest other occurrences of Kaolinite
26.5km (16.4 miles) ⓘRockside Quarry, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
34.8km (21.6 miles) ⓘKaolin mine, Sharon, Litchfield County, Connecticut, USA
41.3km (25.6 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
42.0km (26.1 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
45.1km (28.0 miles) ⓘGreat Hill cobalt mines, Cobalt, East Hampton, Middlesex County, Connecticut, USA
46.3km (28.8 miles) ⓘBrack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA
47.4km (29.4 miles) ⓘTerp Road pegmatite, Hog Hill, East Hampton, Middlesex County, Connecticut, USA
49.4km (30.7 miles) ⓘ"Foothold Cleft", Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
50.5km (31.4 miles) ⓘLinkpot cut, Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
52.9km (32.9 miles) ⓘSlocum prospect, East Hampton, Middlesex County, Connecticut, USA
References
Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.
 
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