Polished Pebble Fossilized Wood - Madagascar - Fossils 4.7 cm / 45g / BK324

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 are found from the Triassic (-250 Ma) to the end of the Jurassic (-150 Ma).

Fossil woods can be used as decorative objects.