Okmok Obsidian

Natural Form:

Description of Physical Characteristics:

Color: Okmok Obsidian is black.

Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment:

Knapping:

Distribution:

Distribution Comments:
Okmok Obsidian is associated with the Okmok Volcanics of Alaska with the sources being located on the northern part of Umnak Island about 100 km west of Dutch Harbor.

Projectile point made from this material:

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Archaeological Context: