A Geoscience Digital Image Library

TitleSpurrite with blue calcite, Crestmore, California
DescriptionThe quarries at Crestmore, California, are famous for blue calcite and for a variety of uncommon calcium silicate minerals. Spurrite, the white-greenish mineral dominating this sample, has composition Ca5(SiO4)2(CO3). It generally occurs in high-temperature contact metamorphic environments such as Crestmore. This specimen is about 9 cm across.
LocationUSA ▹ California ▹ Riverside. Near Crestmore.
PhotographerDarla Sondrol. 2001-06-11.
CollectionUniversity of North Dakota Mineralogy Collection #1904.
Key wordsspurrite, calcite, Crestmore
Tech details943 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60 mm AF Nikon micro lens.
GeoDIL number676