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[Ryaly2dogs]

I have a mystery rock with features that stump me.  Attaching photos along with a request for ideas.  I am in the middle of grinding a chunk and portions of it behave like petrified bone on the wheels.  Other portions, well, I can't figure out what they are!  Any ideas?

I will post a few more photos after this initial post to see if I can squeeze in more than 2 MB.

[Ryaly2dogs]

A few more pics to help.

[vitzitziltecpatl]

Looks like some Sagenite - especially the sprays at the bottom in the first photo and upper part in the second photo.

Is there any lavender/purple coloration in it?

[irockhound]

Definitely Sagenite.  Looks very similar to Mexican Sagenite I have purchased.  Sort of like this Mexican Sagenite But with All Gold vs White Sagenite centers but could be same locale

[Ryaly2dogs]

First - thanks for weighing in, much appreciated. 

I am mostly finished with initial grind - here is what it is now looking like.  The darker patch is what I thought looked (and behaved) similar to bone.  The other texture I agreed looked maybe like a sagenite in rough, but takes on a different look in this piece.  Maybe it is simply a sagentic portion of an otherwise not too interesting rock?

[irockhound]

I love Sagenite and Plumes personally.  I find Sagenite in all types of rough and sometimes you get lucky and it is sitting in a nice seam of gemmy clear agate other times it is in host rock that won't take a polish (the host). but still makes great specimens.  I love the sphere and a nice looking Sagenite spray ring all around it just not up the center but who cares, ste that with the sprays aiming upwards and a beautiful sphere!  You can always hope for high contrast but I take what I can get!!!   Great job and wonderful sphere.