Mineral Detail
 
Mineral Name Roeblingite
Specimen Number 001
Record ID 5949
Locality Nickname Parker Shaft, Franklin, New Jersey
State New Jersey
County Sussex
Township Hardyston
Town Franklin
Mine  Franklin Mine
Mine Level  Parker Shaft
Mining District  Franklin Mining District
Min Dat Locality Page  http://www.mindat.org/loc-226510.html
Description  White, porcelain-like roeblingite forms the core of this nodiform specimen and is surrounded by a brownish pink “altered hancockite” matrix. The matrix possibly contains feldspars, hendricksite, andradite, and calcite. Several 1.5 – 3 cm damaged and etched crystals of andradite are present on the bottom surface of the specimen. The specimen is a rough half-nodule and measures approximately 8 x 7 x 6 cm.
   
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