Phonolite Hill Obsidian











Natural Form:



Description of Physical Characteristics:

Color: Phonolite Hill Obsidian is primarily gray ranging to black.  Flow banding may be present.
Texture: Fine grain

Luster: Glassy

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Phonolite Hill Obsidian occurs as nodules from 1 inch to 1 foot across occurring on the east and north side of Phonolite Hill near Marysvale, Piute County, Utah.
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: