Collection Number: 13829
Cabinet number: 100-8-6
Comments: var. chalcedony, stalactitic to botryoidal
School: UMN
Collection
mindat.org link
Alternate number: 1861, Ab17
Pieces: 1
Age, Formation, Suite: Carboniferous
Collector, Date: TL Duncan, 1899
Locality: Specimen Hill, Albany Co, WY