What Causes a Green Flame in a Wood Fire? Is It Harmful?
A wood fire usually burns with a red or orange flame, but sometimes it can burn with a green flame. This is caused by the presence of copper in the wood. When the wood is heated, the copper oxidizes and turns green. The amount of copper in the wood will determine how long the green flame lasts. A wood fire typically burns with a yellow or orange flame, but sometimes it can burn with a green flame. When this happens, it’s usually because there’s copper in the wood. Copper is a relatively rare element in wood, so if you see a green flame while burning …