Color:
Crescent Chert ranges from a brilliant white to a icy blue and commonly
has banding of darker colors. A variation often referred to as
Colorful Crescent Chert ranges from a light pink with banding or reds
and oranges.
Texture: Fine grain
Luster: Waxy to vitreous
Silica Fabrics / Fossils:
Patina:
Heat Treatment: Heat treatment has
little effect on the color, but the luster and flaking quality improves.
Knapping:
Distribution:
Distribution Comments:
Primary quarries are in southern St. Louis county and northern Jefferson County, Missouri.
Large quantities of Crescent Chert was found at the Cahokia site in
Illinois.
Projectile point made from this material:
Heat Treated
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