A Geoscience Digital Image Library

TitleChrome diopside and quartz from Minas Gerais, Brazil
DescriptionChrome diopside is a variety of diopside, CaMgSi2O6 containing small amounts of chromium. It has a vivid green color, distinguishing it from other clinopyroxenes. Chrome diopside is sometimes found in pegmatites (this sample) but is more typically found as a major constituent of mafic and ultramafic rock from the lower crust or mantle. This specimen is 11 cm across.
LocationBrazil ▹ Minais Gerais
PhotographerTwyla Baker. 2001-07-02.
CollectionUniversity of North Dakota Mineralogy Collection.
Key wordschrome diopside, diopside, quartz, Brazil
Tech details753 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number990