Color: Verdi
Chert has a distinctive light gray to medium brown streaked appearance
and ranges in color from a grayish orange to a yellowish gray
Texture:
Luster:
Silica Fabrics / Fossils:
Patina:
Heat Treatment: Heat treatment produces
red hues and increases the luster.
Knapping:
Distribution:
Distribution Comments:
Verdi Chert is associated with the Verdi Member of the St. Louis
Formation, Meramecian Series. Primary outcroppings in Henry County
in southeastern Iowa
Projectile point made from this material:
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