[Rockhounds] Alien worlds

[jb]

Axel Emmermann wrote:
> Hi Group,
>
>  
>
> This is a recreational one ;-)))
>
> I just posted a photo "Alienscape" on the Ning forum.
>
> Can any of you guess what this is? 
>
> What is this strange vegetation that grows under the eerie light of a
> faraway star. On which planet was this photo taken?
>
>   


Dendritic manganese carbonate or bicarbonate in silica gel. You say it 
is really pink, which would probably point to manganese, and not black, 
which eliminates manganese oxides. Something akin to pseudo-dolomite.


john