Category Nuances for chalcopyrite:

• soft,
• metallic,
• heavy,
• economic,
• secondary,
• common,
• refractory,
• opaque,
• new,
• primary,
• valuable,
• conductive,
• pure,
• sensitive,
• minor,
• industrial,

Simple Categories for chalcopyrite:

• stone,
• mineral,
• material,
• ore,