That is a pretty cool find. The corners are areas of higher stress, so that is where the cracks form in the die. This can be seen elsewhere in the world too:


"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz