The petrified coral has a conical shape and is reddish-brown in color. The side surface is covered with wrinkles.
Dating: 270-350 million years (Carboniferous)
Material: calcareous polypnyak.
Technique: fossilization.
Size: – length- 6 cm.
Coral Rugosa
Kostanay Regional Museum of Local Lore
UUID: 696915959797e5b53