St John Sterling 16" Necklace Gray Green Semi Precious Stones Crystal Silver

RARE Designer ST JOHN Sterling Silver 16" Necklace with cascading grayish green semi precious stones, crystal and silver medallions * Translucent main teardrop shaped stone is faceted and polished. Darker veins run horizontally AND vertically. * I am not a gem expert. Please see photos to determine the composition. * I believe the stones include agates, jasper and hematite. One or more might be a type of flat black pearl. * A beautiful, versatile necklace with a lot of visual interest. * Saint John quality, timeless design * Weighs 132.62 grams which is 4.67 ounces.