Glass Mountain Obsidian
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: Sep 1987
name: label: Collector
content: H. R. Moore
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-53 (Glass Mountain Obsidian): Not a direct collection from outcrop; Unknown collection procedure. Collection includes raw material and naturally-weathered specimens.
label: Notes
content: L-53 (Glass Mountain Obsidian): "Glass Mountain" Is the local name; Term "dacite" is incorrect and should not be used in connection with these samples of obsidian (J.D.H.)
label: Notes
content: Glass Mountain Obsidian also known as Lacey Iris or Sugar Hill, a green and black obsidian with a vitreous texture. It becomes dull black when heat treated.
label: Notes
content: Geology remarks: n.d.
label: Notes
content: Location remarks: Glass Mountain, about 10 miles south of Lava Beds National Monument in the Medicine Lake Highlands, Siskiyou County, CA. Medicine Lake area: four miles northeast on Glass Mountain.
label: Notes
content: Archaeology remarks: n.d.
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 4
place: label: Place
content: Modoc County, California, 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: A598104-0
objectType: label: Object Type
content: Stone