No idea what these are

[Deerkiller9991]

Digging around through some old things and found my childhood "rock collection".

Can't remember where I got any of these and have no idea what they are.

Originally thinking the translucent part of this was common opal.

_DSC1121 by Michael Kendall, on Flickr

_DSC1119 by Michael Kendall, on Flickr



This one is really sparkly, almost unreal.

_DSC1109 by Michael Kendall, on Flickr

_DSC1106 by Michael Kendall, on Flickr



Pretty sure this guy is bone but I have my doubts. Almost seems more rock-like

_DSC1111 by Michael Kendall, on Flickr

_DSC1114 by Michael Kendall, on Flickr

_DSC1113 by Michael Kendall, on Flickr

 

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[Rasputin]

First one looks like chert, second one like micaceous schist and the third is petrified coral. That's my best WAG anyway.