For a related example of vivianite forming on bones, check out pages
79-80 in Dale Guthrie's book "Frozen Fauna of the Mammoth Steppe", 1990,
Univ. of Chicago Press.
Cluny Johnstone wrote:
>Dear Jen,
>
>It looks to me like a mineral concretion called Vivianite. I have seen it
>quite often on bones from waterlogged conditions. Not sure about the
>chemistry of vivianite but I'm sure someone else will!
>
>Hope thats a help
>
>Cluny Johnstone
>
>
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