Sowbelly agate (banded quartz varieties amethyst and chalcedony)

Abstract

Sowbelly agate (banded quartz, varieties amethyst and chalcedony) from the Amethyst vein of Last Chance mine, Creede mining district, Colorado.

For more information about the Minerals of Creede, Colorado and the collection, see: https://libguides.mines.edu/GeologyMuseum/digitalcollectionsCreede.