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 4 X 3 1/2 X 1 1/8 INCHES. WEIGHT IS 7.3 OZS. FANTASTIC FIRE COLORS AND LARGE SIZE! 6" RIKER BOX INCLUDED. A REALLY BEAUTIFUL SPECIMEN!