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Gahnite from
Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA

Locality type:Mine
Classification
Species:Gahnite
Formula:ZnAl2O4
Comments:"broken green crystals, a quarter of an inch in diameter, in gneiss" (Schooner 1958)
Colour:green
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
References
References:Schooner (1958)
Data
Mineral Data:Click here to view Gahnite data
Locality Data:Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
Nearest other occurrences of Gahnite
3.4km (2.1 miles) Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA
3.8km (2.4 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
7.7km (4.8 miles) Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
8.0km (4.9 miles) Hollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
10.2km (6.3 miles) Thulite locality (Walkley Hill), Haddam, Middlesex Co., Connecticut, USA
10.8km (6.7 miles) Chrysoberyl locality, Haddam, Middlesex Co., Connecticut, USA
12.2km (7.6 miles) Timms Hill (Tim's Hill; Iolite Hill), Haddam, Middlesex Co., Connecticut, USA
 
Mineral and/or Locality  
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