This is a perfectly shaped pyrite cube from Spain. This locale is known for pyrite specimens with a metallic shine and perfectly formed sharp corners. There are some very small growth patterns that can be seen on some parts of the cube, but otherwise they are smooth.
You will receive a specimen similar in size to the one pictured. These specimens have minor differences in the growth patterns, but are otherwise almost identical! This specimen is approximately 3cm x 2.75cm x 3cm.