Description
Aragonite (brown)
and the effect of other crystals
these meteorites are composed primarily of iron (~92%) and nickel (~6
and enhance their energy
Black Spinel is known for its grounding and revitalising properties
Promicroceras planicosta (Reynès, 1879) – Calcite Ammonite Fossil grounding and protective stone Aragonite (brown)A 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
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