Color:
Allentown Chert is mottled and ranges from a medium to dark gray with white streamers
with banding commonly present.
Texture: Medium to fine grain
Luster: Dull to vitreous
Translucency: Opaque to slightly
translucent
Silica Fabrics / Fossils: Oolites and
stromalites
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Allentown chert is associated with the Allentown Formation of eastern
Pennsylvania. Primarily occurring as lenses and nodules in Berks, Bucks, Lehigh, and
Northampton counties in Pennsylvania.
Projectile point made from this material:
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