Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Maw Sit Sit Healing Properties untouched Shungite energy for a

untouched Shungite energy for a direct grounding connection

Known for its deep black lustre and strong protective properties

The 4cm size is ideal for placement on desks

it radiates vibrant hues of turquoise

each piece is unique in pattern and form

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Maw Sit Sit Healing Properties untouched Shungite energy for aA 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