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Elbaite from
Eureka Quarry, East Hampton (Chatham), Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Elbaite
Formula:Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:Opaque to gem quality, found in the muck at the bottom of pockets or cavities up to 7 or 8 inches in diameter. Near the pockets opaque or translucent green tourmalines are common.
Colour:grass to olive green, colorless or very pale green or pink
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
References
References:Baston, Edson S. (1910), Economic Geology of the Feldspar Deposits of the United States. United States Geological Survey Bulletin 420.
Data
Mineral Data:Click here to view Elbaite data
Locality Data:Click here to view Eureka Quarry, East Hampton (Chatham), Middlesex Co., Connecticut, USA
Nearest other occurrences of Elbaite
1.7km (1.1 miles) Anderson No. 1 Mica Mine (Swanson Mine; Swanson Lithia Mine), East Hampton (Chatham), Middlesex Co., Connecticut, USA
4.5km (2.8 miles) Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
5.1km (3.1 miles) Quarry Hill (Brainerd Quarries; Shailor Quarries), Haddam Neck, Haddam, Middlesex Co., Connecticut, USA
6.2km (3.9 miles) White Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex Co., Connecticut, USA
6.6km (4.1 miles) Riverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex Co., Connecticut, USA
8.5km (5.3 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
8.6km (5.3 miles) Schoonmaker Mine (Cramer Mine), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
8.8km (5.4 miles) Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex Co., Connecticut, USA
11.2km (7.0 miles) Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
13.1km (8.2 miles) Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
 
Mineral and/or Locality  
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