Glass Discussion & Research. NO IDENTIFICATION REQUESTS here please. > Germany
Conchoidal fracture (bruise) on Greta Vase
paradisetrader:
--- Quote --- conchoidal fracture
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Thank you Adam
Yes that seems to be it alright
--- Quote ---A conchoidal fracture has curved lines, rather like a sea-shell (which is where the word "conchoidal" comes from). Obsidian has conchoidal fractures, as does ordinary glass.
http://www.gwydir.demon.co.uk/jo/minerals/obsidian.htm
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I'm glad it translates easily into German for you Pamela :)
pamela:
aa: :D
Peter: :D
obsidian is glass 8)
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