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To add to the discussion...
Obsidian (volcanic glass) is one of the premier materials used by NA and is documented to have traveled hundreds of miles from its source.
It is hard and very brittle, but is ideal in producing a surgical edge; and is still used currently for that purpose.
The point you have (no doubt it’s a point) is either used up, banged up, or just a bit crude.
The fluting appearance on the one end (hard to determine the Basal end) could have been caused by impact or thinning. It does not appear to be intentional fluting.
I agree with ToddsPoint (Gary). I'd say the knapper could not get the piece to cooperate and tossed it.