Terrazzo is not concrete or cement. It is a slurry mix of portland and usually marble chips and after curing it is ground with a floor machine with stones to a high polished finish. Very expensive and a dying trade.
__________________
<span style="font-weight: bold"> (__{B}_____]]]]~~~~</span>
Don't mess with old farts - age and treachery will always overcome youth and skill! Bullshit and brilliance only come with age and experience.