A Geoscience Digital Image Library

DescriptionSepiolite is a silicate with the chemical formula, Mg4Si6O15(OH)2·6(H2O). It is a secondary mineral associated with serpentine. Sepiolite may precipitate from alkali saline waters in arid environments. The name comes from the Greek sepia, meaning “cuttlefish” and lithos, meaning “stone”.
LocationUSA ▹ New Mexico ▹ Grant
PhotographerShannon Heinle. 2002-02-10.
CollectionUniversity of North Dakota Mineralogy Collection #1524.
Key wordssepiolite, silicate, secondary mineral
Tech details199 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number2346