CLEONICERAS AMMONITE WITH EXCELLENT IRIDESCENT RED FLASHES OF MOTHER OF PEARL OR "FIRE OPAL GLOW". FROM THE MESOZOIC ERA, MIDDLE CRETACEOUS, ALBIAN STAGE--ABOUT 150 MILLION YEARS AGO. MINED, CLEANED AND POLISHED IN TULEAR, MADAGASCAR. SIZE IS 2 X 1 1/2 X 1/2 INCHES. WEIGHT IS 1.4 OZS. ALSO SHOWS NICE SUTURE LINES!