Color: Hilliard Porcellanite is platy and opaque
ranging from a tan to dark brown in color.
Texture:
Luster: Platy
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments: Hilliard Porcellanite is associated with the Hilliard Formation of
northwestern Wyoming. Primary outcroppings occur west of Kemmer,
Wyoming.
Projectile point made from this material:
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