Quartz

[CherokeeKC]

Lee I think what you have is quartzite, which was originally sandstone then became quartzite through heating and pressure over time.  The more sandy it feels the harder it is to work.  Look for smoother feeling milky or reddish colored quartz (quartzite).  I have some authentic points made from quartzite found here in Virginia which were all made from these colors. 

[Marc St Louis]

Paul
I started working on a blade and had it close to finished then I snapped it in half, very annoying.

Lee: It could be Quartzite.  I was given a piece several years ago by Paul Dolanski and it does look a bit like that. 

Quartz is a lot harder to work than Chert or Obsidian

[Lee Slikkers]

Ok, thanks for the better ID...is Quartzite knapp-able or am I better off looking for something else?

[CherokeeKC]

It is very hard to knap along with quartz.  I would try to find the best piece i could before i tried to knap it.