AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Connecticut > Prehnite, Calcite, Stilpnomelane

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Prehnite, Calcite, Stilpnomelane from Roncari Quarry, East Granby, Hartford County, Connecticut

 
Prehnite, Calcite, Stilpnomelane from Roncari Quarry, East Granby, Hartford County, Connecticut

Prehnite, Calcite, Stilpnomelane from Roncari Quarry, East Granby, Hartford County, Connecticut

DESCRIPTION:No. 32332
Mineral:Prehnite, Calcite, Stilpnomelane
Locality:Roncari Quarry, East Granby, Hartford County, Connecticut
Description:Plate of basalt matrix coated on one face and edge with translucent green prehnite with colorless calcite crystals up to 3.5 mm. Scattered throughout are radiating dendrites of bronze-colored stilpnomelane (looks beautiful under magnification).
Overall Size:8x4x1.5 cm
Crystals:.1-4 mm
Archived: For reference only

 

 

 

 

 

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