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I was searching for Petosky stones because my mother loves them and I wanted to find her one for Mother's Day and i found these cool stones. I can not figure out what kind they are.

Please help!!enter image description hereenter image description hereenter image description here

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closed as off-topic by Universal_learner, Peter Jansson, arkaia, Fred, Ash Jul 10 at 18:59

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Please review our rock identification guidelines to provide the missing information so that your question is both answerable and useful to new users." – Universal_learner, Peter Jansson, arkaia, Fred, Ash
If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ The white and yellow are probably some sort of quartz. Not sure about the darker one. $\endgroup$ – Gimelist May 14 '18 at 22:37
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    $\begingroup$ Whare are petosky stones and cook stones? Can you add in links maybe? Also, where did you find these? Please read this and add as much info to your question as possible. $\endgroup$ – Jan Doggen May 15 '18 at 6:15
  • $\begingroup$ It was a spelling error. I meant cool. $\endgroup$ – Josy May 15 '18 at 16:55
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    $\begingroup$ Petosky stones are weathered/rounded/polished pebbles of fossilized rugose coral. Generally found in the US great lakes region. Michigan's official state stone. $\endgroup$ – Tim Nevins May 16 '18 at 15:08
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I believe the small white one to be agate. And i agree the yellow one to be a quartz. Thats nice of you moms like these gifts because you were thinking of them.

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Looks like jasper or some kind of SiO2 minerals or mineraloids. I think it is a pretty present for your mother, I would bet it is jasper but not sure. Anyhow it looks obvious you searched on rich SiO2 sediments. SiO2 group has several minerals and mineraloids aswell as the most common mineral on surface quartz.

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  • $\begingroup$ agree that the red one looks like Jasper $\endgroup$ – haresfur Jul 17 '18 at 0:56

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