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My young sister found this stone on a street and she asked me what type it is. And I really don't know.

It was found in Western Ukraine, in North Galicia. But it may be that it was brought here from another region (cause it was found near a construction site).

So hope someone here can help little researcher )

enter image description here

enter image description here

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    $\begingroup$ you need to give some information about it read this earthscience.meta.stackexchange.com/questions/124/… and update your question. $\endgroup$ – trond hansen Jul 15 '18 at 8:23
  • $\begingroup$ Orange colors at the fresh cut (rigth size of first picture) looks superficital alteration; it is the same color that the non fresh surface has. That pincky translucent color + big crystals make me think metamorphic quartzite, but I can be wrong as I was realy bad at degree identifying. There is some kind of silky shine I think. What's the city of the street you found it Ivan? That may help us to give you a good input. $\endgroup$ – Universal_learner Jul 16 '18 at 15:59
  • $\begingroup$ It was found in Western Ukraine, in North Galicia. But it may be that he was brought here from another region (cause he was found near the construction site). $\endgroup$ – Ivan Pelykh Jul 17 '18 at 16:47
  • $\begingroup$ The Volyn-Podolsk plate is a metamorphic unit with very old rocks from Proterozoic. I read schists-granulites terrain. It is totaly possible there are quartzite levels at the zone you found it. $\endgroup$ – Universal_learner Jul 18 '18 at 4:39
  • $\begingroup$ you are the west but at the red zone of this map, rigth? geoexpro.com/articles/2014/07/ukraine-s-gas-fuelled-crisis $\endgroup$ – Universal_learner Jul 19 '18 at 16:01
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This is quartz. It’s a bit translucent, greyish white with a bit of orange. Has waxy lustre on broken surfaces. It breaks in this sort of flaky manner.

I am uncertain whether this is metamorphic quartzite, or a fragment of some larger quartz (from a vein perhaps), but it is quartz.

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  • $\begingroup$ With the providen location I would say it probably is metamorphic. 2/3 of Ukraine surface is a metamorphic Protrrozic formation. $\endgroup$ – Universal_learner Jul 20 '18 at 10:43
  • $\begingroup$ Thank you in advance. This is the answer I wanted to hear $\endgroup$ – Ivan Pelykh Jul 21 '18 at 10:30
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    $\begingroup$ @IvanPelykh feel free to press the up button and mark the answer as accepted by clicking the V. $\endgroup$ – Gimelist Jul 21 '18 at 10:50
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    $\begingroup$ I am reading a bit and there are recent pegmatites I think at the zone. I learned a new thing :) so i guess it is realy difficcult to distinguish between quartzite and a vein with also well formed crystals. It is totaly possible it is a recent pegmatite, but probably a metamorphic old piece in my opinion. $\endgroup$ – Universal_learner Jul 22 '18 at 9:25
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    $\begingroup$ @Universal_learner exactly. $\endgroup$ – Gimelist Jul 22 '18 at 9:47

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