Isaac Kremer/ September 9, 2018/ / 0 comments
A greenish brown crust which forms on bronze. 2. Any thin oxide film which forms on a metal; often multi-colored. 3. A film, similar in color, which forms on a material other than metal. 4. Such effects artificially induced, or imitated. (Harris, 1977)
Your email address will not be published. Required fields are marked *
Δ
This site uses Akismet to reduce spam. Learn how your comment data is processed.