Ex. Harold Urish collection specimen of sparkling clear yellow Wulfenite crystal with Fluorescent Willemite matrix from the Erupción Mine - Los Lamentos Mountains, Chihuahua, Mexico. This is a great piece to display or add to a collection it has outstanding color and luster, photographed using a regular LED and UV lights to show true beauty. Size at widest points 4.7 X 4.2 X 3.5 CM, base not included also please visit Blueskyminerals on IG for more great specimens