SOLD | PREIS AUF ANFRAGE | Opalisierender Ammolite | Placenticeras costatum | Kanada Worked Minerals Tigeriron Its hardness and other physical

Its hardness and other physical properties correspond to those of quartz

in its greater hardness and higher specific gravity

Kane County

while preserving the structure of the wood

including the crinoid's crown and stem

SOLD | PREIS AUF ANFRAGE | Opalisierender Ammolite | Placenticeras costatum | Kanada Worked Minerals Tigeriron Its hardness and other physicalPrice on request: info@urweltsteinbruch. de or +49 (0) 7023 2991 Origin: Southern Alberta, Canada Age: Upper Cretaceous, Bearpaw Formation, about 70 million years Size: W127cm H100cm Diameter of the fossil: 45 cm Weight: 224 kg Description: An extremely fascinating opalescent ammonite (species: Placenticeras costatum), still preserved in its original host rock, reveals its natural colors in a spectacular luster. Its striking red and green shades are