Neat Gemstones

Precious and Semi Precious Stones of Thought with Neat Commentary

What Is This Rock?

29th-Oct-2008 12:42 pm

This is a special rock that once belonged to my Grandmother. Nobody knows where it came from nor what the rock is actually called. And no, it is not "Steak Rock". The grains are silt- to sand-sized and in two colors. Both the lighter "matrix" color has the same size grains as the dark. Is it volcanic? Is it sedimentary? Nobody seems to know! Send me a note if you've got any ideas.

x-posted in

geology and

rockhounds

Tags:grandmas rock, rock, steak

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