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Could this small rock be olivine? It has got a rough feeling surface, and 'it's heavy.

I found this in Wales 12 years ago.

Green heavy surface feels rough found in Wales 12 years ago. I have few photos of my rock. Clothes peg to show size ref

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closed as off-topic by Universal_learner, Peter Jansson, trond hansen, uhoh, Semidiurnal Simon Jul 16 at 22:59

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, trond hansen, uhoh, Semidiurnal Simon
If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ it does not look like olivine to me but i have been wrong before,please take a look here earthscience.meta.stackexchange.com/questions/124/… and try to fill in all the information you possibly can,like where you found it and what types of nature it comes from.kryptonite is interresting for the children so you might call it that until we get more details. $\endgroup$ – trond hansen May 31 at 20:28
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    $\begingroup$ Looks like melted waste glass. There is a distinct conchoidal fracture. This type of material is often sold in rock shops in Arizona as bulk glass. Rough surface is the major reason this is not an answer. Following @trondhansen advise may get you a better answer or confirm the material. $\endgroup$ – Friddy May 31 at 21:10
  • $\begingroup$ Cheers guys I will definitely check out your suggestions, I will be able to show my little grandsons my findings. Research and investigation I enjoy process and journey. $\endgroup$ – Lesley Jun 1 at 0:33
  • $\begingroup$ I am taking the information from link mentioned above, I have key words now able to describe correctly , I have collection of crystals which I can use for comparison test. After I reading this, my thoughts "I've got engraver diamond head , I'll be back guys $\endgroup$ – Lesley Jun 1 at 1:26
  • $\begingroup$ @Lesley Please edit your question when you will have new elements for description. $\endgroup$ – Etienne Godin Jun 1 at 12:18
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This is artificial glass. It is not olivine.

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    $\begingroup$ could you add a bit of details about your interpretation in your answer? $\endgroup$ – Etienne Godin Jun 3 at 13:45
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This looks man-made to me as well. The color is much too uniform across the entire surface and interior, which is typical of man-made material. Natural material would show gradation of some kind in a mass of this size.

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  • $\begingroup$ please add a little more information to your answer(i am not saying you are wrong in any way)and add a little about why you think this is man made and not natural. $\endgroup$ – trond hansen Jun 25 at 4:10

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