30235 - Well Prepared "Flying" 2.98 Inch Morocconites malladoides Middle Devonian Trilobite Bone Erythrite and annabergite (Ni3(AsO4)2·8H2O) (nickel

Erythrite and annabergite (Ni3(AsO4)2·8H2O) (nickel arsenate) form a complete series with the general formula (Co

A preparation like this requires tens of hours and a lot of patience

Arambourg 1943 (ray-finned fish)

not restored or glued

this is a beautiful example of rostral teeth from this amazing species of sawfish

30235 - Well Prepared "Flying" 2.98 Inch Morocconites malladoides Middle Devonian Trilobite Bone Erythrite and annabergite (Ni3(AsO4)2·8H2O) (nickelImpressive specimen, prepared in an exceptional way. This trilobite has been prepared as free standing. This type of preparation requires meticulous work of tens of hours. Of course, the cephalic spine during the preparation process has been fractured and glued again, with slight restorations in the fracture zones. A preparation like this without small restorations is impossible. Morocconites sp, Boucot and McClure 1989 (trilobite) Trilobita Phacopida