Measuring approximately 15cm across

Create a tranquil sleep environment by placing the crystals around your bedroom

Crystal Quartz (Crystal Quartz

Mohs hardness: 3

Releases imbalances and negative energies

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Crown Chakra Earrings Measuring approximately 15cm acrossA 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