A Geoscience Digital Image Library

TitleChondrodite bearing marble from Franklin, New Jersey, USA
DescriptionMost 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.
LocationUSA ▹ New Jersey. Near Franklin.
PhotographerNessa Eull. 2001-03-26.
CollectionUniversity of North Dakota Mineralogy Collection #3395.
Key wordshumite, chondrodite, marble, calcite
Tech details584 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number245