Please help identify old hexagon shaped rock

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Offline Mstryeyes1@gmail.com

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Please help identify old hexagon shaped rock
« on: 26/11/2014 06:29:28 »
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I received this rock over 30 years ago from an avid arrowhead collectors collection.  I would love to find out what type of rock it is and if it was naturally formed or cut/carved.  It fits perfectly in the palm of my hand and is very heavy.  As far as I know, it was found in Kentucky.  Each side appears to be a hexagon shape.

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Offline CliffordK

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Re: Please help identify old hexagon shaped rock
« Reply #1 on: 26/11/2014 06:46:30 »
Hmmmm
Is it at all translucent if you shine a bright light either behind the rock, or directly into it?

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Offline Bass

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Re: Please help identify old hexagon shaped rock
« Reply #2 on: 01/12/2014 00:10:48 »
the color, density and dodecahedral shape all suggest garnet.
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Offline Bill S

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Re: Please help identify old hexagon shaped rock
« Reply #3 on: 01/12/2014 19:36:51 »
If I found that in Cornwall, which is where I did most of my mineral/rock hunting, I would first try to scratch it with my "trusty blade", and if that made no impression on it I would think in terms of almandine garnet.   

If that's what it is, it's quite a find.

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Offline CliffordK

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Re: Please help identify old hexagon shaped rock
« Reply #4 on: 01/12/2014 23:33:03 »
Hmmmm
Is it at all translucent if you shine a bright light either behind the rock, or directly into it?
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No, it is not translucent at all with a light shining on it.  It is very solid and heavy.  Feels like iron or something.  To me, it appears to have been man-made or carved somehow.  I have tried and tried to find something like it online but cannot.  I tend to believe it was a tool, like a hammer or something attached to a handle.  There is a deep gash on the one side of it.  But all sides look like a hexagon.  I am a novice so I'm simply guessing.  I feel an energy or attachment to this rock, it's very interesting.  Though it looks rough, it is actually very smooth on the sides and soothing to hold in your hand.  A couple of the sides have pyramid like shapes in the middle of the hexagon shape. 
[...]
Even though it looks rough, it it smooth to the touch. 

I have very little experience with raw uncut gemstones, but it would seem to me that a garnet would be translucent at least to some extent.  Are there different types?

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Offline Bill S

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Re: Please help identify old hexagon shaped rock
« Reply #5 on: 02/12/2014 14:32:10 »
Have you tried scratching it?

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Offline Notso

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Re: Please help identify old hexagon shaped rock
« Reply #6 on: 02/12/2014 17:24:24 »
Knowing its hardness would be useful.


You could measure the density (drop it into a measuring beaker of water and check how much it increases, then divide its mass by the volume).
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