CLEONICERAS AMMONITE WITH EXCELLENT IRIDESCENT RED AND GREEN FLASHES OF MOTHER OF PEARL OR "FIRE OPAL GLOW". FROM THE MESOZOIC ERA, MIDDLE CRETACEOUS, ALBIAN STAGE--ABOUT 120 MILLION YEARS AGO. FROM MAHAJANGA, MADAGASCAR. SIZE IS 3 5/8 X 3 X 1 INCHES. WEIGHT IS 6.1 OZS. FANTASTIC FIRE COLORS AND NICE SIZE! 6" RIKER BOX INCLUDED. A BEAUTIFUL SPECIMEN FOR YOUR COLLECTION!