4.2" Fossilized Polished Petrified Wood Branch Madagascar 66-225 Million Yrs Old

Location: Madagascar

Weight: 7.7 Ounces

Dimensions: 4.2 Inches Long, 3.7 Inches Wide, 0.5 Inches Thick

The item pictured is the one you will receive. 

66-225 million years old Cretaceous and Quaternary periods

This polished petrified wood specimen from Madagascar is an exceptional decorative fossil, finished to a smooth, lustrous surface that reveals an array of naturally occurring colors and mineral patterns. The striking visual contrast seen throughout the specimen is the result of complex mineralization processes that took place during fossilization.

During the late Tertiary period, vast forested regions surrounded active volcanoes across Madagascar. Volcanic eruptions periodically buried trees beneath thick layers of ash and lava, rapidly sealing them from oxygen and halting biological decay. This unique environment created ideal conditions for petrification, preserving the original wood structure in remarkable detail.

Over millions of years, the organic material was slowly replaced by silica-rich minerals, including quartz, chalcedony, jasper, opal, and calcite. Trace elements introduced during this process are responsible for the specimen’s vivid coloration. Iron compounds produce warm tones of orange, rust, and brown, while manganese contributes deep blues, grays, and black accents.

Highly regarded by fossil collectors, lapidary specialists, and interior designers, Madagascar petrified wood is valued for its durability, geological significance, and natural artistry. Each polished specimen is unique—a timeless record of volcanic activity and ancient forest ecosystems preserved in stone.