/usr/lib/mime/packages/wxgeometrie is in wxgeometrie 0.133.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | application/x-wxgeometrie-geo; wxgeom %s
application/x-wxgeometrie-geoz; wxgeom %s
|