GetSandParticle(<-x <-y)

Returns a table for the sand particle found at the specified x,y coordinates. The table contains the following keys:
“sandDef”, “creeper”, “pos”, “lastPos”, “color”, “glow”, “maxAge”, “ignoreOccupied”, “createSandWhenOccupied”, “damagesUnits”, “damagesUnitsAmt”, “alive”