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Gehlenite from
Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Gehlenite
Formula:Ca2Al(AlSiO7)
Comments:Tiny crystals in lens-like bodies of calc-silicate rock in the host Collins Hill Formation. Optical and X-ray study by Waldemar T. Schaller at the USGS indicate gehlenite, associated with diopside, grossular, wollastonite, and spurrite.
Habit:tetragonal prisms
Colour:light brown
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
References
References:Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
Data
Mineral Data:Click here to view Gehlenite data
Locality Data:Click here to view Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
 
Mineral and/or Locality  
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