The mineral pyrite, or iron pyrite, also known as fools gold, is an iron sulfide with the chemical . In the first bonding sphere, the Fe atoms are surrounded by six S nearest neighbours, in a distorted Natural gold tends to be anhedral irregularly shaped, whereas pyrite comes as either cubes or multifaceted crystals. Pyrite
The uses and properties of the mineral Pyrite. Today most sulfur is obtained as a byproduct of natural gas and crude oil processing. It is a sphere about 15 microns in diameter that is composed of cubic crystals of pyrite about one micron
This elegant Pyrite sphere has two cavities, with the interior of the cavities This sphere has many smaller cavities, mostly filled with miniature Quartz crystals also. Raw Natural Pyrite Cluster from Spain, $45.45 @ Mystical Earth Gallery.
Pyrite, an iron sulfide, may be worthless to gold miners, but the mineral has great Octahedra are the least common natural pyrite crystals. Detailed studies by my group revealed that framboids are not truly spherical but have flattened faces.