In optical mineralogy, an interference colour chart, also known as the Michel-Levy chart, is a tool first developed by Auguste Michel-Lévy to identify minerals in thin section using a petrographic ...

The phenomena of diffraction occurs for all waves. Diffraction describes the event of waves encountering an obstacle and the consequential bending around the object. Additionally, waves may interfere ...

Abstract: Results are given of subjective tests designed to determine the importance of random interference in various portions of the video band for monochrome and color pictures. Weighting functions ...

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States Department of Materials Science and Engineering, The Pennsylvania State University, ...

This unique material showcases exsolution platelets of hematite and ilmenite that display thin-film interference colors along the interface between the exsolution product and the feldspar host.