Abstract
A careful scanning tunneling microscope (STM) observation has been made on the micromorphology structure of the crystal faces for a group of pyrites which include two types of pyrite specimens: natural pyrites, from the different stage of hydrothermal ore deposits and artificial crystal of pyrite. It has been discovered that there is a set of micromorphological structures on the surfaces of pyrite crystals, including pisolitic hillocks, lotus root-like hillocks and spiral steps. This study reveals that the micromorphology of pyrite crystals, which are closely related to thermodynamic conditions and dynamic environment of the ore-forming systems, carries a lot of genetic information.
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