The flatout favorite raw material for anybody making stone tools at any time in our human past has got to have been obsidian,
that lovely shiny glass produced out of volcanic deposits and thus available in places all over the world.
For that reason alone (not to mention that it flakes wonderfully, is sharp enough to be used in modern hospital scalpels, can be chemically sourced to its point of origin, is an inexpensive way to date archaeological sites, and is, let's face it, pretty), obsidian gets to be our 'material of interest' for the day. So pick a link below and see if you know all you need to about obsidian.
For that reason alone (not to mention that it flakes wonderfully, is sharp enough to be used in modern hospital scalpels, can be chemically sourced to its point of origin, is an inexpensive way to date archaeological sites, and is, let's face it, pretty), obsidian gets to be our 'material of interest' for the day. So pick a link below and see if you know all you need to about obsidian.
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