This geocache is part of the Murweh Triangle Geoart. It is NOT at the published coordinates. To find the cache, you need to work through the following.
What is the strongest shape found in nature?
A Tetrahedron.
This is a diamond - the hardest thing in nature.
This is the diamond structure:
Joining the dots, you get a series of triangles, of course:
So, there it is!