Textures
Growth zoning (with reference to inherited core and sieve-texture)
Eutectic intergrowth texture (graphic, granophyre)
Skeletal growth (spinifex, dendrite)
Unmixing of solid solution phases
Grain size and associated terminology (pegmatite, myarolitic, porphyritic, oickocryst, porphyroblast, etc.)
Recrystallisation (annealing, decomposition - symplectite, etc., diablastic)
Concretionary zoning (oolite, pisolite, framboid)
Magma mingling and immiscibility
Breccia (magmatic, volcanic, tectonic, sedimentary) - see the Earth Science Australia website
Minerals
(photo gallery, to come)
Mineral chemistry
(to come)