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Cassiterite from
Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Cassiterite
Formula:SnO2
Comments:good crystals to 1 cm, can be highly modified, lustrous, microcrystals in cleavelandite
Colour:dark brownish black
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
References
References:Scovil, Jeffrey A. (1992): Famous Mineral Localities: the Gillette Quarry, Haddam Neck, Connecticut. (Mineralogical Record, 23(1):19-28.); Rocks & Minerals (1995) 70:396-409
Associated Minerals Based on Photo Data:
Chlorophane2 photos of Cassiterite associated with Chlorophane at this locality.
Fluorapatite2 photos of Cassiterite associated with Fluorapatite at this locality.
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
Nearest other occurrences of Cassiterite
2.8km (1.7 miles) Anderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine), East Hampton (Chatham), Middlesex Co., Connecticut, USA
13.0km (8.1 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
15.7km (9.8 miles) Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
17.5km (10.9 miles) Brack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
18.0km (11.2 miles) Hollister prospects (Hollister Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
62.1km (38.6 miles) Lane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield County, Connecticut, USA
84.3km (52.4 miles) Blandford mica mines, Blandford, Hampden Co., Massachusetts, USA
 
Mineral and/or Locality  
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