Category Nuances for pyrrhotite:

• sensitive,
• common,
• magnetic,
• ferromagnetic,
• primary,
• conductive,
• ferrous,
• iron,
• deleterious,
• opaque,
• refractory,
• reactive,
• corrosive,
• metallic,

Simple Categories for pyrrhotite:

• solid,
• material,
• mineral,
• particle,
• rock,