What is "unshining"

Usage examples of "unshining".

He was just about to reach in for the latch when the darkness within—visible against the lesser darkness of night as a coil of dead, unshining emptiness—squeezed from the hole like black toothpaste and tried to encircle him.

When Wang Lung had poured the old man a bowl of tea and had passed his hand over the girl's cheek and received her sweet, empty smile, which passed with such sad swiftness from her face, leaving empty the dim and unshining eyes, there was nothing left.