A Geoscience Digital Image Library

TitleTrona from Inyo County, California, USA
DescriptionTrona, a mineral the typically precipitates in playa lakes, has composition Na3(HCO3)(CO3)·2(H2O). It is mined as a source of sodium that is used in glass making and for other things. Trona is the most well known of several sodium carbonates that are difficult to distinguish from each other. This sample is 8 cm across.
LocationUSA ▹ California ▹ Inyo County. Near Keeler.
PhotographerNessa Eull. 2001-06-06.
CollectionUniversity of North Dakota Mineralogy Collection #728.
Key wordstrona, California
Tech details683 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number659