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

Locality type:Mine
Classification
Species:'Gummite' (not an IMA approved species)
Comments:Associated with crystallized uraninite.
Colour:reddish-orange
Confirmation
Validity:Believed Valid
References
References:Schooner, Richard. (1947): Collins Hill (Portland, Conn.) Deserted. Rocks & Minerals, vol. 22, no. 2, p. 135.
Data
Mineral Data:Click here to view Gummite data
Locality Data:Click here to view Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
Nearest other occurrences of Gummite
5.9km (3.7 miles) Middletown, Middlesex Co., Connecticut, USA
11.1km (6.9 miles) Rock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
68.5km (42.6 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
70.4km (43.7 miles) New England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield Co., Connecticut, USA
71.4km (44.4 miles) Blandford mica mines, Blandford, Hampden Co., Massachusetts, USA
79.3km (49.3 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
86.0km (53.4 miles) Pelham asbestos mine, Pelham, Hampshire Co., Massachusetts, USA
97.8km (60.8 miles) Bedford, Westchester Co., New York, USA
98.5km (61.2 miles) Consolidated Feldspar Mining Corporation's plant (Baylis prospect (property) & Speranza prospect (property)), Bedford, Westchester Co., New York, USA
 
Mineral and/or Locality  
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