Collection Number: 13713
Cabinet number: 100-8-7
Comments: var. chalcedony, moss agate, w/ quartz crystals
School: UMN
Collection
mindat.org link
Alternate number: 1861
Pieces: 2
Age, Formation, Suite: Carboniferous
Collector, Date: TL Duncan, 1899
Locality: Specimen Hill, Albany Co, WY