The focal (approximately 1-3/8 inches in diameter) and links of this necklace are designed using 22 gage patterned sterling silver .  The links are accented each with 9x7mm Black Onyx Cabochons, and the focal with 3 - 9x7mm Black Onyx Cabochon and one 8 mm Round Rainbow Moonstone Cabochon.   The handmade chain was formed from 16 gage Argenetium Sterling Silver.  The necklace has three jump rings at the termination point so that it can be adjusted slightly in length (19 to 19-1/2 inches)