American Falls Obsidian
 AKA: Snake River Obsidian, Walcott Obsidian









Natural Form:



Description of Physical Characteristics:

Color: American Falls Obsidian is black, reddish brown streaking and patches may be present (mahogany obsidian), inclusions may be present.
Texture: Fine to coarsely crystalline

Luster: Glassy

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
American Falls Obsidian is associated with the Picado and / or Twin Falls Volcanic Fields and occurs in canyons and washes that drain into the Snake River near American Falls in Power and Bonneville counties, Idaho
Projectile point made from this material:



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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:
Archaeological Context: