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2,045 questions

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any idea's what this might be?

0 votes

asked Jan 4 by Stevejbrown (140 points)

2 Answers

0 votes
Obsidian, looks like it anyway.
answered Jan 6 by Weasel (51,230 points)
0 votes
Probably goethite, from visual identity. Can you do a streak test on it? That could definitely rule in or out my suggestion.
answered Apr 30 by hershel (49,730 points)
the streak is dark brown
Dark brown / brownish red would indicate hematite.

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