Hardyston Chalcedony
Description of Physical Characteristics:
Color:
Hardyston Chalcedony is a
semi translucent milky white to light blue or light to gray.
Texture: Fine grain
Luster: Vitreous
Translucency: Semi-translucent
Silica Fabrics / Fossils:
Patina: Light yellow or brown
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Hardystone Chalcedony is associated with the sandstone and quartzite members
of the Hardyston Formation of northern
New Jersey and northeastern Pennsylvania. Primarily occurring as
beds and nodules from the Delaware River in Bucks County extending
through Lehigh and Berks counties to the Schuykill River. The
primary major quarries for this material include the Durham quarry, Vera
Cruz Quarry, Macungie quarry, and Bowers Station quarry, but many
smaller quarries also exist.
Projectile point made from this material:
Pictures Provided By:
References: (See Reference Page, Entry Number):
Similar Material:
Commonly made projectile point from this material:
Archaeological Context:
Skidmore Island Chert is primarily used during
the Paleo period possible due to the decreased ocean levels.
