Unitedstatesofamerica1
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What is it man made or natural?
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Geochem
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Good question.
From the pictures it looks like a piece of diorite - a multi-mineral of courser grain-size igneous (origin) rock - meaning having significant hardness compared to sandstone, etc. If diorite, it would be a challenge to square sides into a brick-like shape. So I'm calling it natural by first pictures composition interpretation.
From the pictures it looks like a piece of diorite - a multi-mineral of courser grain-size igneous (origin) rock - meaning having significant hardness compared to sandstone, etc. If diorite, it would be a challenge to square sides into a brick-like shape. So I'm calling it natural by first pictures composition interpretation.
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rick67
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Looks like a cobble stone to me.
Jumbo size.
Jumbo size.
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