A Geoscience Digital Image Library

TitleWillemite with zincite (troosite) and franklinite from Franklin, New Jersey
DescriptionThis sample contains green willemite (Zn2SiO4) with red-brown zincite (ZnO), and black franklinite (ZnFe2O4). Troosite is the name sometimes used for Mn-rich willemite. This sample, about 9 cm across, comes from the world famous mineral collecting site at Franklin, New Jersey.
LocationUSA ▹ New Jersey. Near Franklin.
PhotographerDarla Sondrol. 2001-03-26.
CollectionUniversity of North Dakota Mineralogy Collection #1137.
Key wordswillemite, zincite, troosite, Franklinite, New Jersey
Tech details669 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number260