Los Vidrios Obsidian











Natural Form:



Description of Physical Characteristics:

Color:  Los Vidrios Obsidian is a homogenous opaque black with no banding or lighter shades.  The cortex ranges from a brown to gray.
Texture:

Luster:

Translucency:

Silica Fabrics / Fossils: 

Patina:

Heat Treatment:

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Los Vidrios Obsidian is associated with Sierra Pinacate Volcanics occurring as marekanites / nodules (up to 7 cm) in the rhyolite domes along the Rio Sonoytta about 30 north of the Puerto Penasco in northwestern Sonora Mexico.  Secondary sources are found throughout the Rio Sonoita River south at at least Sierra Blanca.
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:

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