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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Kyanite from
Graphite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA


Classification
Species:Kyanite
Formula:Al2(SiO4)O
Colour:blue and white
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Kyanite data
Locality Data:Click here to view Graphite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:920264
Long-form Identifier:1:3:920264:1
GUID (UUID V4):0
Nearest other occurrences of Kyanite
0.9km (0.5 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.4km (0.9 miles) ⓘHaddam Neck, Haddam, Middlesex County, Connecticut, USA
2.7km (1.7 miles) ⓘSandy Hill, Haddam, Middlesex County, Connecticut, USA
3.7km (2.3 miles) ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton, Middlesex County, Connecticut, USA
6.9km (4.3 miles) ⓘMiddle Haddam, East Hampton, Middlesex County, Connecticut, USA
9.3km (5.8 miles) ⓘWhite Rock Mining District, Middletown, Middlesex County, Connecticut, USA
9.7km (6.0 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
12.3km (7.6 miles) ⓘDimension stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA
12.4km (7.7 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
37.3km (23.2 miles) ⓘInterstate 84 interchange 26, Cheshire, New Haven County, Connecticut, USA
References
Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut.
 
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