Thanks Colin - I've included another item below...
KuKulz, regarding the pitch on the knife, I'm not sure what exactly was used - pinyon pitch, maybe?
Tim, with regards to the stone, while I am certain it is netiher sandstone nor limestone, I am (again) at a loss as to the type...
Okay... staying with the artistic lithic theme, I'm attaching a photo of another item below - Tim, this one is carved from steatite. Does anybody know what it is?