I decided to give cobblestone a bit more personality, using some knowledge from Realaccurate.
I might still adjust it a bit further (lower POM a smidge maybe) but overall it should be more consistent with what you can expect from cobbles.
Continuum 2.1 alpha Build 8 
BSL v7.1.05 dev 
BSL v7.1.05 dev 
Kappa 2.2 
Kappa 2.2 
Spectrum 2020-05
HardTop Vanillaccurate 