When it comes to mispickel, there are various synonyms that can be used to describe this mineral. One of the most commonly used alternatives is arsenopyrite, which is a mineral that is composed of iron, arsenic, and sulfur. Other synonyms for mispickel include arsenical pyrite, arsenical iron pyrite, and arsenopyrite iron. Each of these synonyms describes a mineral that has similar properties and characteristics to mispickel. Arsenopyrite is often used as a primary source of arsenic and iron, and it is commonly found in hydrothermal veins and igneous rocks. Whatever term you prefer to use, this mineral is an important part of geological research and study.