Color: Hells Canyon Chert is banded and ranges from a tan to purple or
gray or brown. Vugs filled with chalcedony or drusy quartz are commonly
present.
Texture:
Fine grain
Luster: Waxy
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments: Hells Canyon Chert has primary outcroppings in Custer County, South
Dakota.
Projectile point made from this material:
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