Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil GeoFossils Meteorite Specimen Cinnabar crystallises in the trigonal

Cinnabar crystallises in the trigonal system and is most famous for its deep scarlet to crimson red colour and resinous to adamantine lustre

Tree Agate is a deeply nourishing stone connected to the natural rhythms of the Earth

Place the Chrysocolla Medium Oval in your workspace or home to promote calm communication and emotional balance

builds stability

this wand is a beautiful ally for the journey inward

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil GeoFossils Meteorite Specimen Cinnabar crystallises in the trigonalA 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