Black Tank Obsidian
 AKA: Rose Well Obsidian











Natural Form:



Description of Physical Characteristics:

Color:  Black Tank Obsidian occurs as black nodules and black and red mahogany obsidian nodules..
Texture:

Luster:

Translucency:

Silica Fabrics / Fossils: 

Patina:

Heat Treatment: 

Knapping:  

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Black Tank Obsidian is associated with the Mount Floyd Volcanics and occurs as small and not abundant nodules in the Black Tank area north of Round Mountain, Coconino County, Arizona.
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:
Rarely occurs in archaeological context
.