Algae ID

[Tommy Shumpert]

Anyone know what this is?
The color is really dark, almost black. Not slimy at all

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[Tommy Shumpert]

It’s on my rocks as well

 

[Tommy Shumpert]

No clue?

 

[reef lover]

More info and a better pic...
Is it hard? Does it blow off?

 

[old salt reefer]

Which one-the purple stuff,the white/green stuff or the little green dots everywhere else?