Color:
Franciscan Chert ranges from brown to reddish brown
or yellow brown, white to gray, greenish gray to black. Generally
has reddish or greenish hues.
Texture: Fine grain
Luster:
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Notes:Wima Chert has many overlapping
characteristics of Franciscan Chert. However, it does not have the
luster or quality commonly seen in Franciscan Chert.
Distribution:
Distribution Comments:
Franciscan Chert is associated with the Franciscan Formation of
California.
Projectile point made from this material:
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