This striking specimen of Araucaria petrified wood from Madagascar preserves the structural beauty of an ancient conifer in exceptional detail. Araucaria, a genus that includes modern “monkey puzzle”–type trees, is recognized by its straight grain and distinctive growth ring structure. In petrified form, the original woody tissue has been replaced molecule by molecule with silica, transforming the tree into stone while retaining fine anatomical features.
Material from Madagascar is especially prized for its vibrant coloration, ranging from warm reds and oranges to golden yellows and earthy browns. These hues are produced by trace mineral inclusions—primarily iron oxides and other mineralizing fluids—that permeated the wood during fossilization. When cut and polished, the specimen reveals crisp growth rings and cellular structure, making it both a decorative display piece and an instructive example of permineralization.
Petrified Araucaria from Madagascar dates back roughly to the Triassic period, offering a tangible connection to forests that existed over 200 million years ago. Durable, visually compelling, and geologically significant, this specimen makes a strong addition to any fossil collection, lapidary display, or natural history cabinet.