These dark blue/black stones!! anyone out there have an idea what kind they are??? harder and heavier than granite. and also sound like glass when they tap against other rocks. very difficult to balance with each other since they are so close to perfect. possibly my favorite stones in the world thus far. . sooooo beautiful!!! especially when wet!

Verdict: basalt!


191 Responses
  1. Great composition, michael and well put together image. Your rock work is obviously incredible, but your photography is also really strong. Just a pleasure to look at!

  2. Absolutely fabulous, I would love to see you actually doing this, speeded up I think. Would love to have a go too. When I Go to turkey I will have a go; not that I am a very patient person.

  3. I like them too, I always see a few tucked in the path I walk my dog on to visit Hancock Pond in Maine and am looking for an oval one so I can paint a Great Blue Heron on it as a gift for my sister. I love rocks and collect “special ones” <3

  4. Questions, do you travel to a different country / place every week? Where do many of these take place? Do you video each balance? Why don’t you videos and pictures?

  5. Harder and heavier than granite, sounds like glass when tapped together and very difficult to balance them all. I thought of family, love, health and friendship.

  6. If you can get to Nanjizal beach, amazing cliff top walk from Porthgwarra, don’t miss the 80′ hole on the way, cut through at sea level… Rocks there part black part orange granite. There is mine entrance yards from beach, so probably tin/iron/silver minerals in the rock strata, oh and huge portal for sunset/low tide photos

  7. You are an alien. What about wind? What about moving water jiggling the rocks. Goes agains all natural laws. Why are there no videos of you stack/balancing? Did you drill holes and use a metal pipe to skewer them? The problem is I only can think of two options. You cheated or you’re from another planet. The mind is boggled.

  8. It would help to know where this was taken ;) Basalt, hematite, obsidian or even onyx. However, all of the above are simply wild guesses based on my own experience/travels & google ;)

  9. Need a picture where they are not in shadow. I don’t believe they are obsidian or volcanic glass because they are swirled in coloration. However could be the lighting. Another rock that sounds like glass when tapped against something is slate. Slate is hard but from the description it seems rather hard. I would say probably basalt; then again need a clearer image. Where was this found?

  10. Basalt. Tends to be alongside areas of pink granite. Superb contrast. Same as here on our coastal island. Obsidian takes on a white clouded surface and can be chipped to make shards. One way to test. Loking this place you’re balancing in atm. x

  11. I love all kinds of stones and rocks when I was small I used to fill my pockets and all kinds of rock especially those that were in streams you found some beautiful ones in there the black were always my favorite too because they were different from the others The black almost look like Onyx the ones you have in this picture that’s what they look like to me just Beautiful !!!

  12. I’d say basalt. I’d be surprised if obsidian would smooth like that in the water (although I’m no geologist), also obsidian feels and looks like glass. It would be obvious to the touch I would think.

  13. Agate and jasper are both harder, and probably heavier (don’t know that for sure — never weighed them). Both come in beautiful patterns, though the known, super beautiful ones aren’t that easy to find. Hard to tell from the picture. The sound of glass could indicate obsidian, but obsidian is basically glass and would not be harder or heavier than granite. Agate could possibly make a glass sound. Can you see light through the rock edges? There’s a type of petrified wood called ironwood that you can make wood chimes out of. I don’t know that it would ever erode into such rounded shapes. If you can see any wood grain, it might be some other type. Best bet is to take a detailed close-up and see if you can send it to a member of a rock club in your area.

    1. I agree that they are basalt, especially considering the beauties that lay about in the water. We massage therapist types use these for stone massage. And if you’ve never experienced such, I highly recommend you do so, immediately. :)

    2. Cole C. Pazar Oh, see I was totally thinking I was smart and going to say obsidian, but you skunked me with the “rounded” part. ‘Cause of course you’re right – obsidian has sharp edges and was used for tools, etc. You skunked me. DAMN, I thought I had it! :) Oh well, maybe I’ll be smart tomorrow

    3. Obsidian isn’t always found broken, chipped/knapped, etc. It has a cortex, a rough cortex (outer covering). Maybe it’s basaltic obsidian??? Don’t give up, Michelle. You are plenty smart TODAY.

  14. If it isn’t hematite i would say possibly obsidian from the glass sound and being hard to balance due to smooth surface since it’s valcanic glass. Not the best with raw mineral like that, i know more about crystals

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