Flattop Chalcedony
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 1984
name: label: Collector
content: Stan Ahler
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-83 (Flattop Chalcedony): Unknown collection procedure. Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens.
label: Notes
content: L-83 (Flattop Chalcedony)
label: Notes
content: Flattop Chalcedony, also known as Kimball, Purple & White Chalcedony, and Table Mountain, is a light purple, light reddish caramel, colored smooth, fine to glossy, vitreous chalcedony with tiny white inclusions. Cortex becomes chalky when weathered.
label: Notes
content: Geology remarks: Epoch-Oliocene, Group-White River, Formation-Chadron.
label: Notes
content: Location remarks: Flattop Butte, Northeastern Colorado
label: Notes
content: Archaeology remarks: Flattop Mesa Quarry Site, 5Lo1
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 4
place: label: Place
content: Logan County, Colorado, United States, North America
topic: label: Topic
content: Archaeology
setName: label: See more items in
content: Anthropology
dataSource: label: Data Source
content: NMNH - Anthropology Dept.
identifier: label: Accession Number
content: 2071475
label: USNM Number
content: A598151-0
objectType: label: Object Type
content: Stone