Blue Mountain Obsidian
 AKA: Steel (Steele) Swamp Obsidian









Natural Form:



Description of Physical Characteristics:

Color: Blue Mountain is a greenish black color .

Texture: Medium to fine grain

Luster: Waxy

Translucency:

Silica Fabrics / Fossils: 

Patina:

Heat Treatment: 

Knapping: Good flaking quality

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Blue Mountain Obsidian occurs on Devils Garden 10 miles southeast of Clear Lake on the Medicine Lake Highlands and 1/1/2 miles southwest of the Blue Mountain Lookout tower, Modoc County of California.
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: