Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Red Aventurine Carnelian (Sacral Chakra)

Carnelian (Sacral Chakra)

supporting emotional release

This exquisite collection features carefully selected crystals

Heart Chakra – Opens and strengthens the heart space

As a natural stone

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Red Aventurine Carnelian (Sacral Chakra)A 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