Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Tiffany Stone for Expression or looking for a piece

or looking for a piece that combines power with sophistication

Discovered in Kenya and officially classified in 2016

” Peristerite carries the energy of peace

and deepens connection to lunar cycles for gentle release of old energies

Powerful manifestation: Aligns intentions with sacred geometry for amplified results

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Tiffany Stone for Expression or looking for a pieceA 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