The Prasiolite Drilled Tumble Stone

Zodiac Connection• Sagittarius• Libra• Virgo

Air – Represents clarity

Fossil: Orthoceras sp

Ruled by the Water and Air elements

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil crystal Athame The Prasiolite Drilled Tumble StoneA beautifully preserved specimen of Promicroceras planicosta, fully replaced by calcite. This ammonite displays fine ribbing and its characteristic planispiral coiling. As a key index fossil of the Lower Jurassic Sinemurian, Promicroceras is highly significant for ammonite biostratigraphy in the UK. An excellent choice for collectors, researchers, or curated display. Stratigraphic Context Lower Lias Group, Obtusum Zone Chronostratigraphy Lower