/usr/share/raster3d/materials/bronze.r3d is in raster3d 3.0-3-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | # Bronze
# This material should look metallic (yellow highlights)
8
5. 0.6 1.0 1.0 0.0 0.0 0 0 0 1
SOLID 0.9 0.2 0.1
|