East Lake Obsidian










Natural Form:



Description of Physical Characteristics:

Color: East Lake Obsidian ranges from dark gray to black with gray and colorless banding with small rod shaped crystallites and small grains of magnetite, feldspar, and microlites.

Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
East Lake Obsidian occurs off the southeast shore of East Lake in the Newberry Caldera in Deschutes County, Oregon.
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: