A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Franklinite in calcite, from Franklin, New Jersey, USA |
|---|---|
| Description | Franklinite is a member of the spinel group and has formula ZnFe2O4. It is an important ore mineral of zinc and iron. Specimens from Franklin, New Jersey, often contain rounded black grains of franklinite surrounded by white calcite – as in this photo. Franklinite is also sometimes associated with greenish willemite and red zincite. In this photo, the largest franklinite crystal has an octahedral shape (although the edges of the crystal are rounded). |
| Location | USA ▹ New Jersey ▹ Sussex. Near Franklin. |
| Photographer | Nessa Eull. 2001-04-19. |
| Collection | University of North Dakota Mineralogy Collection #355. |
| Key words | Franklinite, calcite, New Jersey |
| Tech details | 423 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 353 |
 | |