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Ceramic/porcelain electric insulator

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JEB:
Here is  some Johnstone I practiced my percussion on.  It is around 6" long and pretty thin. Still have to work on the edges when the weather warms up a bit. Stuff is unpredictable  to work. Lots of hinges.

Strelets:
I have read that when they first started putting up powerlines in outback Australia they had a lot of trouble with  insulators disappearing. It turned out that the aborigines were knapping spearheads out of them.

Russ:
awwww, strelets took my comment before i even got to it  :'(  )P(

Hilongbow:
Haha thunder chert and Johnstone... Great names.

Really interesting about the Aborigines in Australia. Seems pretty common for indigenous people to find creative uses for modern (at least at the time) items.

I tried whacking on it a few times with some of my tools but the stuff is hard. I only got tiny flakes to break off. These pieces are thick and a lot of the edges are at right angles, not much in the way of platforms. I'm still new at the whole knapping thing. Might have to get some more experience first.

Outbackbob48:
I have been knapping for over 10 yrs and I absolutely hate porcelain. I do believe that the newer stuff is much poorer than older porcelain, This the very best that I could get and to me it is just barely OK. It is a little over 4 to 1 but just seems thicker. I do believe this pc was some older toilet tank maybe 50 to 60 stuff. Bob

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