Experiment with Unakite.  Above necklace uses 20mm Leaf Beads with the colours of the Unakite in Crystals.  These Leaves sold under Pendant (10).
Round Beads are 6mm Strands (68), Nuggets are 8x10mm Strands faceted (40), Small Leaves 8x12mm strands (34) & Rondelles are 5x8mm Strands (78)