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


Locality type:Road Cutting
Classification
Species:Kyanite
Formula:Al2(SiO4)O
Formation:Primary
Comments:Crystalline masses in the host schist, commonly heavily rust-stained and hard to recognize. Crystals can exceed 10 cm. It fluoresces a weak pink-red under longwave UV (Don Swenson).
Habit:bladed
Colour:pale to sky blue
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz3
Muscovite1
Annite1
Data
Mineral Data:Click here to view Kyanite data
Locality Data:Click here to view Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:96367
Long-form Identifier:1:3:96367:5
GUID (UUID V4):0
Nearest other occurrences of Kyanite
2.8km (1.7 miles) Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
5.0km (3.1 miles) Reynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
5.5km (3.4 miles) Rock Brook, Harwinton, Litchfield County, Connecticut, USA
5.9km (3.7 miles) Waterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA
8.8km (5.4 miles) Hancock Brook Dam, Plymouth, Litchfield County, Connecticut, USA
10.7km (6.7 miles) State Route 8 interchange 34 (formerly 37), Watertown, Litchfield County, Connecticut, USA
12.5km (7.8 miles) Town Farm Road, Litchfield, Litchfield County, Connecticut, USA
14.7km (9.1 miles) Taine Mountain, Burlington, Hartford County, Connecticut, USA
15.2km (9.5 miles) Soapstone quarry, Torrington, Litchfield County, Connecticut, USA
18.2km (11.3 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA
References
 
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