Color: Newark
Jasper is primarily a mottled mustard yellow with white quartz
inclusions and streaks. Mottled grays may be present. Red
jasper also occurs in this formation.
Texture: Fine grain
Luster: Satin to glassy
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Newark Jasper is associated with the Newark Gabbro Formation of
northwestern Delaware and southeastern Pennsylvania. Primary
outcroppings are on Iron Hill in Cecil County, Maryland. (New
Jersey)
Projectile point made from this material:
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