Dichroic Art Glass Necklace - Mermaid Jewels Ref: PNTB34 A Dichroic Art Glass Pendant on a Italian Sterling Silver Omega Chain (1mm). This slide pendant has Hues of Blue, Green, Gold and sits directly on the chain. Measures: 33mm x 17mm Chain Length: 16" (sits on collar bone). Total Weight: 9 gms.