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虹彩菊石 - 贝壳化石 - Psiloceras planorbis (没有保留价)
编号 83355155
编号 83355155
This is a brilliantly iridescent ammonite (Psiloceras planorbis) fossil from England.
It has a naturally iridescent shell showing nice blues, greens and deep red colors.
Like most fossils from the Blue Lias Formation, these ammonites have been compressed and flattened by the same geological processes of heating and pressure which gives them their iridescent shell.
This is a particularly large and nice specimen.
It comes with an acrylic display stand.
Plate is 4,7 x 4,5cm