Cerulean Blues Spiderweb teal turquoise cabochon in a fine silver scalloped bezel setting with twisted a wire accent. Leaf stamped bail and 18" sterling silver snake chain Pendant measures 2 3/16" tall "Across the water an ancient stone keep sat atop cragged rocky shores, reflected in the cerulean blue waters." Spiderweb Turquoise is a term used to describe turquoise that looks like a spiderweb. ... It is when these pieces are polished or cross cut that the spider web design emerges. When other materials appear within turquoise, those materials which often look like veins, are referred to as matrix or part of the “mother rock"