December's birthstones offer three ways to fight the winter blues: tanzanite, zircon, and turquoise—all of them are best known for beautiful shades of blue.
O'Brien & Associates, Incorporated
With Accredited Gem Lab
AGS Certified Member:
- Maureen O'Brien, CGA
Address: 2555 Washington RdSte 631, Pittsburgh, PA 15241-2574
Phone: (412) 854-5443