Jump to key moments of Determine indices for the directions shown in the following hexagonal unit cells: Note: All four of these directions are displayed in Virtual Materials Science and Engineering (VMSE) (accessed through all digital versions of the text) under Metallic Crystal Structures and Crystallography/Crystallographic Directions/ Hexagonal Unit Cell Directions: Problem 4: Direction A (for a) Direction B (for b) Direction C (for c) Direction D (for d) Each image may be rotated (by click-and-drag), which allows you to obtain a better