Need some help to identify this rock

[lakhdar]

If some one can help to identify this rock, I can eventually take more photos. thanks a lot

 

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[river roamer]

No idea here

 

[lakhdar]

No idea here

Any way, thank you for your response

 

[opalboy]

I think malachite.

 

[lakhdar]

I think malachite.

the Andoid app "Rock identifier" tels "Variscite" . Do you know how to distinguish between "Variscite" and "malachite" ?

 

[opalboy]

It looks silky in the picture, varisite I’ve only seen as a slab, so I dont think it’s ever a crystal, and your picture looks like possibly something like the start of a stalagmite. But I am looking at a picture! 😁