This next cutie mark is about a rock,

…they’re ALL about rocks.

@DPortZeGerman
 
Price of a Mile

@SeraphimDawn  
Here’s two:  
 

Smiles…..then realizes something ….that…looks an awful lot……like TOM.

So her cutie mark is the grey Chaos Emerald?

I want to see art of her in a Trench Warfare environment.  
She will rule the battlefield.

I’m actually not disappointed at all. It suits her perfectly.

Tom, the diamond in the rough.

It’s a rock…

Carbonado?

A black diamond?  
Onyx?

@SeaponyTk  
Flynt Coal?

@SeaponyTk  
That’s gneiss. No schist.

Hmm. I did not notice that.

Maud’s cutie mark is Tom? Interesting.

Drill head?

@Background Pony #FB93
 
Ah, you mean flint? :D

looks kinda like an arrow head to me.

i totally missed that.

@Ping_chan
 
Coal story bro.

All of these puns!  
Too many puns!  
Can’t take any more!  

@Crowley
 
Alas, my career as a stand-up has hit rock bottom…

aha!

@Crowley  
“STOP IT!”

@SeaponyTk  
Your puns are receiving a stone cold reaction.