A Geoscience Digital Image Library
A Geoscience Digital Image Library
| Title | Chondrodite bearing marble from Franklin, New Jersey, USA |
|---|---|
| Description | Most of this sample is white calcite, CaCO3. The light brown to gray mineral is chondrodite, (Mg,Fe)5(SiO4)2(F,OH)2, but chondrodite usually has a more yellowish color. Chondrodite belongs to the humite group, and is closely related to olivine. Also present are graphite and a white mica, but they can only be seen in the highest resolution photo. This sample measures approximately 10 cm across. |
| Chronostratigraphy | Grenville? |
| Location | USA ▹ New Jersey. Near Franklin. |
| Photographer | Nessa Eull. 2001-03-26. |
| Collection | University of North Dakota Mineralogy Collection #3395. |
| Key words | humite, chondrodite, marble, calcite |
| Tech details | 584 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 245 |
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