A Geoscience Digital Image Library

TitleTroostite, franklinite, calcite and willemite from Franklin, New Jersey
DescriptionFranklin, New Jersey, is a world famous mineral collecting locality. This specimen contains: light green willemite, Zn2SiO4; whitish calcite, CaCO3; minor pinkish troostite, a manganese rich variety of willemite; and minor black franklinite, ZnFe2O4. This specimen is about 7 cm.
LocationUSA ▹ New Jersey. Near Franklin.
PhotographerShannon Heinle. 2001-03-21.
CollectionUniversity of North Dakota Mineralogy Collection #1136.
Key wordstroostite, franklinite, calcite, willemite, Franklin, New Jersey
Tech details818 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number231