Title | Spurrite with blue calcite, Crestmore, California |
Description | The 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. |
Location | USA ▹ California ▹ Riverside. Near Crestmore. |
Photographer | Darla Sondrol. 2001-06-11. |
Collection | University of North Dakota Mineralogy Collection #1904. |
Key words | spurrite, calcite, Crestmore |
Tech details | 943 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60 mm AF Nikon micro lens. |
GeoDIL number | 676 |
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