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Green crystal .. Id Help ..

Posted by baser zey  
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baser zey February 13, 2018 07:58PM
crystal on quartz

it is from Turkey




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Reiner Mielke February 13, 2018 08:10PM
does it effervesce in acid? If so I would say it is malachite.
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baser zey February 13, 2018 08:30PM
I don't try yet.. I think so but I want ask
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Paul Brandes February 14, 2018 12:25AM
I would tend to agree with malachite, but please let us know the acid result.
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baser zey February 18, 2018 05:44PM
affected by acid so it is malachite
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Thomas Lühr February 18, 2018 06:01PM
"affected" is not precise enaugh. This can also mean solved without effervescence. Then it would exclude malachite and could be brochantite or almost any other green copper (or even nickel) mineral.
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Paul Brandes February 19, 2018 09:45PM
If it was "affected" by acid, i.e., it effervesced, then it can't be brochantite...
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