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CrossThisandFail — what is it?
#geology #rock #geologyphotography
Published: 2018-01-31 18:49:07 +0000 UTC; Views: 341; Favourites: 1; Downloads: 0
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Description
I found an interesting rock with what appears to be a gem like crystal inside of it as you can see by the brown area. I am just wondering if anyone knows what this really is. Is it a smoith stone thats sonehow transparent when light is shone through it or what?Please help ;^;
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Comments: 20
Idk. XD its more of a crystaline feature if any
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Alright, I'll help you identify it. Try to use the crystal to scratch your fingernail. Tell me the result (scratches or doesn't)
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No scratches. I am literally scratching with all my might
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Okay, so it has a hardness less than 3.5. Good. Does it appear to have even edges, or is it messy and unorganized?
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A little in between
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Alright. So it's transparent, soft, and its cleavage is difficult to discern...it could be Halite or Calcite. If you can find a clear vinegar, take a small drop and put it on the crystal. If the crystal fizzes, it's probably Calcite. If not, probably Halite (which is what most table and rock salts are).
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I do not have clear vinegar
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Do you have any vinegar? As long as it's translucent, and not cloudy, it can work. Calcite reacts with acids, and vinegar is the safest acid I can recommend. Or you could try using flat Sprite, but it might make the crystal sticky...
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Yeah, that's the best I can do. I could tell you to lick it, and if it's salty, it's Halite. But I cannot recommend that, mostly because I don't know where the rock was, and how unsanitary it could be.
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Likely, it is Calcite. Acid will make it fizz.
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Is it work anything?
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Geodes are rare. But one crystal in a rock isn't really sellable. But it's a cool thing to collect.
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Neat. Well thanks dude
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I washed it don't worry.
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Well, if you want to try that, give it a shot. Salty, Halite. Not salty, probably Calcite.
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Its not salty. So its probably calcite
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