Micrometeorite, SEM
Thiobacillus ferrooxidans, SEM
Chromatium sp. purple sulphur bacterium, SEM
Proteus vulgaris, Gram-negative, SEM
Sulphur from a volcanic steam vent, SEM
Sulphur crystal, SEM
Fractured glass edge and surface, SEM
Barred olivine chondrule
Methylococcus capsulatus, SEM
Shewanella putrefaciens, SEM
Crustose lichen Xanthomendoza fallax, SEM
Desulfovibrio vulgaris, SEM
Pallasite meteorite fragment
Aluminium (metal) microspheres, SEM
Pyrite and quartz, crystalline
Asbestos fibres, SEM
Coral sand sample, SEM
pH measurement of oxide solutions
Medieval "greek fire" warship
Siege with Trebuchet and Greek Fire
Wold Cottage meteorite
Pseudomonas and Pythium, SEM
Iron pyrite crystal, SEM
Lavoisier's chemical elements list, 1789
Sulfur trioxide pollutant molecule
Vardenafil erectile dysfunction drug, molecular model
Pink beryl crystal, SEM
Pennate marine diatom (Cymbella sp.), SEM
Diatom frustule (Cymbella sp.), SEM
pennate diatom colony (Asterionella sp.), SEM
Asbestos fiberschrysotile type, SEM
Global dust and aerosol, computer model
Apothecia of Xanthoria parietina liche
Allende meteorite fragments
Interior of a meteorite LAR 06298
Meteorite found in Antarctica
Monahans meteorite
Period 3 elements
Copper reacting with sulphur
Clopidogrel antiplatelet agent molecule
Celestine crystals in sulphur groundmass
Serratia marcescens, Gram-negative prokaryote, SEM
Black tourmaline, SEM
Lapis lazuli, SEM
Quartz crystals, SEM
Quartz crystal, SEM
Chlorobium tepidum, SEM
Golden alga (Mallomonas sp.), SEM
Golden colonial alga (Synura sp.), SEM
Sapphire, SEM
Chalk dust, SEM
Expanded vermiculite pellet, SEM
Pseudomonas fluorescens, Gram-negative, SEM
Ruby in zoisite
Sample of muscovite
Almandine
Iron reacting with sulphur
Chemical fertilisers
40 year old natural hot water pipe
Galena
Aragonite crystals with sulphur
Tetrahedrite
Stibnite
Volcanic ash, SEM
Ammonium sulfamate herbicide molecule
Carbonylsulfide molecule
Sulfuric acid molecule
Chemical mixture, polarised light micrograph
Copper metal turnings on a watch glass
Chicken eggshell surface, SEM
Chicken eggshell inner membrane, SEM
Chicken eggshell cross section, SEM
Diving bell spider (Argyroneta aquatica), SEM