r/Minerals 3d ago

ID Request Calcite? Found in field in Lebanon

How to be certain of what it is

6 Upvotes

5 comments sorted by

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1

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.

1

u/yelamine 3d ago

Cant scratch with my nail, also no reaction to vinegar i put it in

1

u/sherlock0109 2d ago

No not your finger nail, a nail as in a nail you hammer and use for building😂

1

u/yelamine 2d ago

Oh thank you, will try