Biface Blade

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Object Name: 
Biface Blade
Place Made: 
United States, CA, Lake County, Borax Lake (obsidian)
United States, Northern CA (manufacture)
Accession Number: 
62.7.1 C
Dimensions: 
Overall H: 13.9 cm, W: 2.6 cm
Location: 
Not on Display
Date: 
probably about 1200 BCE-800 CE
Credit Line: 
Gift of The Santa Barbara Museum of Natural History
Primary Description: 
Biface Blade. Smokey grey obsidian. Long, narrow triangular blade with notches along both edges and rounded base coming to a point. Elliptical cross section.

More Info

Department: 
Ancient
Provenance: 
Santa Barbara Museum of Natural History, Source
1962-09-20
Category: 
Origins of Glassmaking
Naturally Occurring Glass
Color: 
Smokey-gray
Technique: 
pressure flaked, retouched
Material: 
obsidian

Publications (2)

Conservation of Glass (1989) p. 1, fig. 1.1; BIB# 24726
Pre-Roman and Early Roman Glass in The Corning Museum of Glass (1979) p. 286, #861; BIB# 29547

Objects in Set (5)

5 Biface Blades
Accession Number:62.7.1
Biface Blade
Date:probably about 3000-1000 BCE
Accession Number:62.7.1 A
 
Biface Blade
Date:probably about 1200 BCE-800 CE
Accession Number:62.7.1 B
Biface Blade
Date:probably about 1200 BCE-800 CE
Accession Number:62.7.1 D
 
Biface Blade
Date:probably about 1500 BCE-800 CE
Accession Number:62.7.1 E