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Datolite from Roncari Quarry, East Granby, Hartford County, Connecticut

 
Datolite from Roncari Quarry, East Granby, Hartford County, Connecticut

Datolite from Roncari Quarry, East Granby, Hartford County, Connecticut

Datolite from Roncari Quarry, East Granby, Hartford County, Connecticut

Datolite from Roncari Quarry, East Granby, Hartford County, Connecticut

DESCRIPTION:No. 71230
Mineral:Datolite
Locality:Roncari Quarry, East Granby, Hartford County, Connecticut
Description:Lustrous transparent colorless (very slight green tint) datolite crystals with small brown crystals of an unidentified mineral. The datolite crystals exhibit double-refraction, similar to calcite, when viewing inside the crystals under magnification. From my personal collection #56; acquired in 1990 from Argentum Auctions, ex Harvard #119574
Overall Size:5x4x3.5 cm
Crystals:1-24 mm
Status: For reference only
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