Texture: Course grain slate to a fine grain mica schist
Luster: Dull
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments: Leyden Argillite is associated with the Leyden Formation of north
central Massachusetts and southeastern Vermont. Primary
outcroppings occur around Leyden Massachusetts and throughout Windham
County, Vermont.
Projectile point made from this material:
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