geodil.jpg

A Geoscience Digital Image Library

593.jpg
TitleMascagnite from Sonoma County, California, USA
DescriptionThe whitish material is mascagnite, ammonium sulfate. It is a very rare mineral because it is highly soluble in water. It generally only occurs as short lived crusts and coatings. This specimen is 5 cm across.
LocationUSA ▹ California ▹ Sonoma County
PhotographerShannon Heinle. 2001-06-05.
CollectionUniversity of North Dakota Mineralogy Collection #838.
Key wordsmascagnite, California
Tech details450 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number593