english
Ex Member
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Now that would be cool. A Los Alamos knife. It's not really artificial obsidian, just obsidian made incredibly quickly. Very cool if you could make a knife. Petrified mud eh? I heard a slightly different idea, but it was regarding flint, which forms in chalk cliffs. It has something to do with dead animals - it was in a book I bought from Will Lord, probably England's best knapper. I'll see if I can find it. Chert is typically grey, flint is typically black, but you can get honey coloured flint, black chert, grey flint, and many other colours. There isn't much difference between them, but flint is usually better quality, especially if it's pure black. If there are no flaws, hitting it will cause it to ring like a bell. There are usually many flaws. Flint/chert tend not to be pick-up-able from streams or rivers in large quantities. It will not be good quality, and will likely be in the form of small pebbles or cobbles, rather than large nodes. Where I live, walking through farmer's fields, you can pick up lovely big bits of flint, and a lot of the medieval and even Victorian architecture has flint inlaid, or even whole walls of flint. It's such a waste.
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