QUALITY DOUBLET OPAL BOULDERBACK ELECTRIC BLUE 4PCS 14.45 CT

Type: DOUBLET OPAL - BOULDER BACK
Origin: OPAL CRYSTAL TOP FROM LIGHTNING RIDGE, BOULDER BACK FROM QUEENSLAND, AUSTRALIA
Carat Weight: 14.45
Size: 14 x 8 x 0.4 mm , 13.6 x 3.8 x 0.9 mm , 11.3 x 6.7 x 0.6 mm , 11.2 x 6.4 x 0.8 mm
Cut/Shape: Freeform
Brightness (1-5): 3
COLOR: ELECTRIC ROYAL BLUE

WHAT IS A DOUBLET AND TRIPLET OPAL?
A thin slice of crystal or light opal is laminated onto a layer of dark material to form a Doublet. The addition of a clear dome of crystal, where the crystal opal is sandwiched between the clear dome and the layer of dark material, makes it a triplet. The clear dome capping gives the opal layer protection.