ZIRCON

- A brown to colorless mineral, ZrSiO4, which is heated, cut, and polished to form a brilliant blue-white gem.

Z10 - I1 - R1 - C3 - O1 - N1 has 17 points in Scrabble!

Z10 - I1 - R1 - C4 - O1 - N2 has 19 points in Words with Friends!

Found in the OTCWL2014, SOWPODS, ENABLE, and WWF dictionaries