Septarian's are very useful for healing work.  They give us the "Big Picture" prospective when trying to process different events or situations in our lives.  Yellow Calcite is a Solar Plexus stone that supports our sense of self.  The brown and black Aragonite add a grounding and stabilizing energy.  This Slab weights 1lb 14oz and measures 8.5 x 5.25 x 1/2 inches.