Columbite-(Fe)-Columbite-(Mn) Series from Hartford County, Connecticut, USA


USA
Connecticut Hartford County Glastonbury East Glastonbury ⓘ Brack Gem prospect (Brack prospect)	Jarnot (1995)
ⓘ Hale's Quarry	Dana 6:892 & 1060.
ⓘ Knob Hill Quarry	Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough).
South Glastonbury ⓘ Eureka Quarries ?	Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121
ⓘ Griswold Quarry	Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121.
ⓘ Hollister prospects	Betts (1999)
ⓘ Husband Quarries	Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121
ⓘ Simpson Quarry (Wiarda Quarry)	Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121.
ⓘ Unnamed pegmatite prospects ?	Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121.

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