Unisex Opal Teal borosilicate glass necklace

Handmade borosilicate glass (strong like Pyrex) pendant on a new black leather cord that is 16 1/2” long with a 2” extender chain. Pendant is a Teal green color with multi-coloured Opal at top. Internal gold-tone swirls in center. Measures approx. 3” long and 1 1/2” wide. Interesting and unique piece.