Main Discussion Area > Flintknapping

obsidian knockoff?

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leapingbare:
Exploading rock  :o Only in Pappys campfire  >:D

DanaM:

--- Quote from: leapingbare on June 20, 2008, 11:47:16 am ---Exploading rock  :o Only in Pappys campfire  >:D

--- End quote ---

That was funny :)

Matt get yerself a toilet tank thunder chert is great for practicing on, thats what I'm doing due to
the fact that there isn't any knappable rock where I live :(

Justin Snyder:
With obsidian you should be able to knock off some flakes.  Look at the side of the flake. It should come out nice and smooth if it is good rock.  It will crush if you hit is wrong.  And some obsidian has a lot of impurities in it making it useless.  Justin

cowboy:
Matt: I'm curious about the exploding rock, are you saying that as you are bopping and knapping on the rock that the white bruise pops out or it just explodes like it has built up pressure inside? If that be the case then it's a new one on me :). Sounds more likely that you struck the platform at too steep of an angle and crushed that area, then it just kind of crumbles out on ya?
 Leapingbare is right - some books, video's would give you a head start. Sitting in with someone would be the best thing.

Papa Matt:
As far as the knapping, I'm sure I am doing it wrong since I am just trying it out. What I am really trying to do is figure out if it is real or if they 'saw me coming'. cause if its fake I don't want to waste my time on it. And the real reason I question it is because my wife who played with real obsidian in Mexico a lot growing up, says its not like what she used to play with and she would say that its not really obsidian. Would obsidian sell for .25 cents a piece? (a piece being roughly tennis ball size or slightly smaller and rectangular)

As for the exploding, it's really more of a popping of the area where I struck it too flat trying to bust off a flake and it turned somewhat white and a few seconds later, popped and shot off a tiny flake or tiny fragments.

Obviously it would be better if I had pics but I don't have the capability yet. It is black, shiny, and even thick parts are somewhat transparent. Also doesn't seem to have a lot of weight for its size, other rocks could be much heavier.

Just wanted to see what I might find out on here.

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