Glass Discussion & Research. NO IDENTIFICATION REQUESTS here please. > Germany

Conchoidal fracture (bruise) on Greta Vase

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paradisetrader:

--- Quote --- conchoidal fracture
--- End quote ---

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
--- End quote ---

I'm glad it translates easily into German for you Pamela  :)

pamela:
aa:  :D
Peter:  :D
obsidian is glass 8)

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