AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New Jersey > Calcite (twinned crystals)

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

 
Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

Photo below under shortwave ultraviolet illumination:
Calcite (twinned crystals) from Prospect Park Quarry, Prospect Park, Passaic County, New Jersey

DESCRIPTION:No. 72510
Mineral:Calcite (twinned crystals)
Locality:Prospect Park Quarry, Prospect Park, Passaic County, New Jersey
Description:Very large lustrous translucent gray scalenohedral calcite crystals on dark basalt with smaller rhombohedral calcite crystals to 8 mm. The calcite crystals are internally zoned with spotty dark inclusions (chamosite?) and twinned in the C-axis {00*1}. From my personal collection; ex. Joe Cilen (1916-1997) #3725
Overall Size:15x14x6 cm
Crystals:4-135 mm
Archived: For reference only

 

 

 

 

 

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