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I found this yellow stone in a creek.It was easy to break by slamming it against another stone and has evenly spaced crystal clear grains.They are very clear that under the sun I thought that water drops are coming out but then realized they are another type of tiny stones inside the yellow host rock.The grains are 100% clear to the eye and smooth without sharp edges and 0.5 to 1.5 mm in diameter. this stone is so strange that I suspect it's a synthetic material of some kind but where i found it only natural stones can be seen. The stone it self looks like a yellow limestone or something sulfuric. It Was buried in the sand near gravel with its tip sticking out. It was about 30X30 CM flat stone that appear to be broken from a larger one. EDITED:Changed photos enter image description here enter image description here enter image description here enter image description here enter image description here enter image description here enter image description here

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    $\begingroup$ you need to provide pictures taken in natural light and no flash,you can take pictures on a cloudy day or out of direct sunlight and they need to be in focus. $\endgroup$ – trond hansen Jan 13 at 7:26
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    $\begingroup$ @ trond hansen I edited the post with better images $\endgroup$ – Amr Berag Jan 13 at 11:48
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    $\begingroup$ the pictures are a lot better now,i have no idea what that is but it do not look like any natural rock to me. $\endgroup$ – trond hansen Jan 13 at 13:17
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    $\begingroup$ I dind't checked location and I have no time now. I don't know what is,but I love those ophiolites, maybe? The clasts are xenolithes, maybe again? $\endgroup$ – user12525 Jan 13 at 15:30
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    $\begingroup$ @AmrBerag it certainly has the same colour as PbCrO4, but why would it cement sedimentary clasts is beyond me $\endgroup$ – Gimelist Jan 13 at 21:56
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I belive what you have found is reflective road paint,The color is similar to road markings and it do contain glass beads.

It does not look like any natural rock i know of but it do look like this type of material https://en.wikipedia.org/wiki/Thermoplastic_road_marking_paint

I am not saying this is what it is but it is one possibility so please forgive me if i am wrong about this.

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  • $\begingroup$ This was the first thing I thought of when I saw that on the road sides and speed bumps about 500 meters away from we're I found it and took mashed peases of it but the stone is more pale and light in color because of the water and aging I guess and the one on road has no crystals. Maybe it came from where they prepare the material and they added the crystals for the very steep roads through the nearby mountain ranges where the creek is also coming from. +1 $\endgroup$ – Amr Berag Jan 14 at 15:21
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    $\begingroup$ I will inspect the roads in the mountains and if it is the same I will throw it in the garbage container or break it and put it in cactus pot. $\endgroup$ – Amr Berag Jan 14 at 15:32
  • $\begingroup$ Supertuper comment but it depends. Some people like to have their home plentiful of figurines, some others are minimalist as me; but allbody is the owner of his home. $\endgroup$ – user12525 Jan 14 at 19:33

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