Mystery from Central New York

[Aurora1959]

Any ideas on what type of rock this tool fragment is made from?

 

Amazon Forum Fav 👍

DR.ÖTEK Metal Detector, Waterproof Gold Detector, Pinpoint & Terrain Modes, Professional Metal Detector - Grab it through Amazon!

[smokeythecat]

Looks like east coast volcanic rhyolite. Nice find.

 

[uniface]

I'd guess western NY Onondaga