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1,823 questions

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9,046 users

gion what type of rock or mineral is this?

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asked Aug 5, 2015 by chris bar (140 points)

2 Answers

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Looks like chert. All the conchoidal fractures, no cracks, similar to flint, but more similar to chalcedony. Very hard, that's why the fractures like flint arrowheads instead of cracking.
answered Aug 6, 2015 by Weasel (40,240 points)
Very common, micro crystaline quartz type rock.
0 votes
It could be flint.
answered Aug 6, 2015 by Birthstones.eu (1,600 points)

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