These, in AD&D's Planescape setting, are the planes of:

Earth
Air
Fire
Water
(The elemental planes)

Ice
Magma
Smoke
Ooze
(The para-elemental planes)

Positive and Negative energy
Shadow

Dust
Vacuum
Ash
Salt

Lightning
Radiance
Steam
Mineral
(The Quasi-elemental planes)

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