Polished Pebble Fossilized Wood - Madagascar - Fossils 4.8 cm / 55g / BK322

FOSSILIZED WOOD is formed by the intrusion of minerals inside the cells which results in very beautiful colored patterns: red for iron, blue for copper, green for nickel...

When it comes to silica, we talk about SILICIFIED WOOD.
Fossil woods dating from the Triassic (-250 to -200 Ma) or the Jurassic (-200 to -150 Ma) are found.

Fossil woods can be used as decorative objects.