Bronze

Vaporeon Bronze when exposed to a Water Stone

Jolteon Bronze when exposed to a Thunder Stone.

Flareon Bronze when exposed to a Fire Stone.

Espeon Bronze when exposed to a Sun Stone

Umbreon Bronze when exposed to a Moon Stone

Leafeon Bronze when exposed to a Leaf Stone

Glaceon Bronze when exposed to an Ice Stone

Dawneon Bronze when exposed to a Dawn Stone

Duskeon Bronze when exposed to a Dusk Stone

Sylveon Bronze when exposed to a Shiny Stone