Color: Moline
chert is opaque to slightly translucent and ranges in color from a light
gray to a very dark gray with streaks or specks of black through the
material. Bluish tints are commonly
present
Texture: Medium to fine grain
Luster: Dull to satin like
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Moline chert is associated with the Spoon Formation along the Lower Rock
River in Rock Island and Henry counties of west-central Illinois.
Projectile point made from this material:
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