Preseli Bluestone is deeply grounding yet spiritually expansive—offering a bridge between Earth and higher realms

spiritual alignment

a stunning 7-piece collection crafted from the soft pink crystal of unconditional love

emotional sensitivity

nurturing crystal rich in lithium

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Fine Specimen Preseli Bluestone is deeply groundingA 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