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2,066 questions

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unknown stone

0 votes

I have a dark purple, almost black tumbled mineral/crystal. If i put it on top a bright LED light it glows red. Any idea of what it is?

asked Jan 31, 2014 by kristenstravels (180 points)

3 Answers

0 votes

Can you please post some pictures?

answered Feb 3, 2014 by hershel (49,750 points)
0 votes

alt textalt text

answered Feb 3, 2014 by kristenstravels (180 points)
0 votes

Looks like it has banding. Probably a dyed agate. Can you test hardness?

answered Feb 4, 2014 by hershel (49,750 points)

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