Debra Wilson, Collection Manager for the Section of Minerals, shows off petrified wood from our collection in our latest Ask a Scientist! Learn how opal and quartz preserve the texture of wood, how opalized wood can be cut and polished like gems, and more.

Learn more about our Section of Minerals & Earth Sciences: https://carnegiemnh.org/research/mine...

Ask a Scientist is a video series where we ask our research staff questions about the millions of amazing objects and specimens stored in our museum collection. Tune in on YouTube, and submit your own questions in the comments below or via Twitter @CarnegieMNH!