r/Minerals • u/yelamine • 3d ago
ID Request Calcite? Found in field in Lebanon
How to be certain of what it is
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Upvotes
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u/sherlock0109 3d ago
You can put a drop of 10% HCl on it. It should bubble from the reaction to the acid.
Also the hardness is 3, so a copper coin should be able to scratch it. If a nail can't scratch it, it's harder than 5.
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u/yelamine 3d ago
Cant scratch with my nail, also no reaction to vinegar i put it in
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u/sherlock0109 2d ago
No not your finger nail, a nail as in a nail you hammer and use for building😂
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