The surface of raw gemstone ore often displays bands or irregular patches of color, sometimes green, sometimes black, gray, or other hues entirely. These twisting, undulating vein-like patterns are what experts in the trade call serpentine veining.
Then there is emerald speckling, which refers to the partially weathered green mineral particles still clinging to the ore's outer crust. They resemble the scattered needles of a pine tree, dotted across the surface in clusters of varying density. Some patches are large enough to spot with the n***d eye, while finer speckling requires a magnifying glass to detect.
Emerald speckling serves as one of the most critical indicators for predicting whether green jade exists within a raw stone, while serpentine veining not only hints at the presence o
