Full Idea
According to property dualism, mental properties are distinct from physical properties, even though they are properties of one substance.
Gist of Idea
Properties dualism says mental properties are distinct from physical, despite a single underlying substance
Source
Tim Crane (Elements of Mind [2001], 2.10)
Book Reference
Crane,Tim: 'Elements of Mind' [OUP 2001], p.38
A Reaction
Two properties may be phenomenologically different (transparent and magnetic), but that doesn't put them in different ontological categories.