Any ideas

[behappyjason]

This is a close up with my phone so hope it's good enough to see the shapes and color

 

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[behappyjason]

Here's another. I know the host rock was called something like ferricrete and it's from the volcanics. Just a guess. Any wye I was thinking it could be a type of garnet. Most the crystals are triangular in shape.

 

[austin]

I'm guessing quartz with another mineral that causes the color...

 

[Eu_citzen]

Is it magnetic? I'd guess not, but can't hurt to try.
Either way, its a keeper!

 

[huntsman53]

I am thinking Schorl Tourmaline but that is probably wrong!


Frank

 

[DDancer]

Been trying to track this one myself~ if your base material is ferrocrete its possible that the crystals are from a magnesium mineral. Interesting. If you can get a magnified view it may help. Triangular shaped crystal structure rules out garnets and tourmaline materials in my opinion
its also possible that it may be a zinc mineral like sphalerite.

 

[behappyjason]

Here's a few more pics. I tore to get a good close up. The last one is at 60 x but hard to see cause the light. Thanks everyone for the help

 

[DDancer]

From the magnified view I'll go with micro crystalline quartz and hematite crystals as the most likely materials. Thanks.