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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Vesuvianite from
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Vesuvianite
Formula:Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Comments:Possible component of the calc-silicate units in the host Collins Hill Formation. A single tiny brown potential vesuvianite crystal was noted on a wollastonite(?) specimen.
Colour:brown
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Extremely Rare
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Vesuvianite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96252
Long-form Identifier:1:3:96252:4
GUID (UUID V4):0
Nearest other occurrences of Vesuvianite
4.3km (2.7 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
4.4km (2.7 miles) ⓘWhite Rock Mining District, Middletown, Middlesex County, Connecticut, USA
13.0km (8.1 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
14.1km (8.8 miles) ⓘHazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA
31.9km (19.8 miles) ⓘHungry Hill mineral occurrence, Guilford, New Haven County, Connecticut, USA
32.1km (19.9 miles) ⓘWoodhaven, Waterbury, New Haven County, Connecticut, USA
63.3km (39.3 miles) ⓘState Route 25 road cuts, Trumbull, Fairfield County, Connecticut, USA
References
Ralph Lieser of Pappy’s Beryl Shop, East Hampton
and Howard Pate of Fluorescent House, Branford, Connecticut.
Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
Carnegie Museum of Natural History identification
Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner
 
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