This file is indexed.

/usr/share/gwyddion/glmaterials/Emerald is in gwyddion-common 2.50-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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Gwyddion resource GwyGLMaterial
0.0215 0.1745 0.0215 1.0
0.07568 0.61424 0.07568 1.0
0.633 0.727811 0.633 1.0
0.0 0.0 0.0 1.0
0.6