Pipe Boulder Opal Bead #43 Citrine you often hear of what's

you often hear of what's referred to as "the 4 C's": color

Approximate Surface Opal Content: 43%

stone measurements: 26mm x 13

round cuts

The Weight: 314

Pipe Boulder Opal Bead #43 Citrine you often hear of what'sA Bit About The Piece: A hand cut, drilled Australian boulder opal bead. Details, details The Stone: Pipe Boulder Opal, solid Stone Origin: Queensland, Australia Stone Measurements: 21. 82mm x 12. 6mm x 7. 23mm Stone Shape: Freeform Cabochon Brightness of Color: 1 of 5 Approximate Surface Opal Content: 17% Predominant Colors: Light Blue Bead Weight: 2. 60 grams Drill Hole Size: 2. 75mm *All photos are of the front of the stone.