AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Russia > Pyrite pseudomorph after Ammonite (Pyritized Rhondiceras Ammonite) |
DESCRIPTION: | No. 66330 |
Mineral: | Pyrite pseudomorph after Ammonite (Pyritized Rhondiceras Ammonite) |
Locality: | Mikhaylov, Ryazanskaya Oblast', Russia |
Description: | Fossilized Rhondiceras ammonite that has been replaced molecule by molecule by metallic pyrite with the original mother-of-pearl remaining on the outer surface and the opposite side polished to show the internal chambers. Jurassic |
Overall Size: | 7x6x2 cm |
Crystals: | micro |
Archived: | For reference only |
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