SMITHSONITE, ZnCO3 - Zinc Carbonate. A great find of older 1950s material! Clean translucent blue-green gem similar to Kelly material. Very shiny and vibrant specimen.Third Photo is looking at backside.From Santa Anita Mine, Aquiles Serdan, Santa Eulalia, Chihuahua Mexico. Size is (5.4cm) 2-1/8"h x (3.8cm) 1-1/2"w x (1.2cm) 1/2"thick. Item MM0070. Weight 0.06 lbs. No loner available.
