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Would like to identify if this is actually a mineral, found it on a seashore.

0 votes

asked Aug 6, 2015 by tleon (120 points)
edited Aug 6, 2015 by tleon

1 Answer

0 votes
Definitely looks more organic than mineral based on its habit, but the color is certainly odd. Any way to do an acid test to check for effervescence, or check the hardness?
answered Aug 13, 2015 by hershel (47,740 points)
I had tried pouring vinegar on it but no reaction.  For the hardness, it could not be scratched by knife but it was able to scratch glass.
 


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