What do you call these?

[Aurora1959]

Distinctly teardrop shaped with one end pointed. Ritchie calls them "strike-a-lights". Some people theorize they might have been knapping tools. Pretty common in Central New York.

 

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[uniface]

No. Not strike-a-lights (Terminal Archaic, as I recall). If so, at least one edge of each would be battered and blunted by being struck with iron pyrites to produce sparks. The few I'm familiar with had Susuehanna Broadpoint-type notches, were of chert and/or South Mountain metarhyolite) and were hafted like scrapers made on points were in Early Woodland (referencing east central Pennsylvania) (West Bank Backwater Archaic sites).

FWIW

 

[OntarioArch]

They look like the correct size/shape, but Overstreet says, "The striking edge usually shows extreme wear."