Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Tiffany Stone for Expression Pallasites are among the most

Pallasites are among the most remarkable meteorite types

Virgo – Encourages focus

Shields against EMFs and negative energies

They are also used to enhance clarity

Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil Tiffany Stone for Expression Pallasites are among the mostA 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