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enter image description hereenter image description here What kind of rock is this?? Found laying on the surface of gravel.

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closed as off-topic by Jan Doggen, Fred, daniel.neumann, arkaia, Trevor J. Smith Jan 30 at 16:32

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." – Jan Doggen, Fred, daniel.neumann, arkaia, Trevor J. Smith
If this question can be reworded to fit the rules in the help center, please edit the question.

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Based just on the pictures, it is quartz. If that is the case, a knife won't scratch it. Please see our guide for asking “Identify this rock” questions.

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