Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil AAA mineral specimen Throat Chakra – Supports clear

Throat Chakra – Supports clear

Heart Chakra – Opens compassion

this crystal is ideal for grounding

A supportive crystal for carers

this sphere is particularly well-suited to those seeking grounded emotional insight

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil AAA mineral specimen Throat Chakra – Supports clearA 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