Dye for sandstone - multi colour coats?

[Jayuk20]

I'm looking for a sandstone effect with slight colour variation. Would I coat the wall with several different colours to get this effect?

 

[Danny]

@RobJack

@warriorupnorth

These two between them maybe able to help

 

[GypsumSnorter]

Best I used was Linostone but u had to do the course before they would sell you the stuff