Alum (Aluminum Potassium Sulfate)
alums
Chemistry equipment, glass flask
Epsomite, close-up
Barite crystals
Dyeing industry chemicals, 19th century
Polyhalite, close-up
Barite crystals, an ore of Barium
Alum crystals
Copper sulphate crystal
Satin spar, a form of gypsum, close-up
Chalcanthite crystals in rock groundmass
Daisy Gypsum
Copper sulphate and alum crystals
Selenite crystals
Fluorite and barite crystals
Barite crystal
Desert rose
Iron (III) sulfate
Barite and chalcopyrite crystals
Brochantite and azurite crystals
Hydrated copper sulphate crystals
Gypsum crystals
Sodium sulphate crystallization
Epsom salt, SEM
Copper sulphate crystals light micrograph
A piece of Thenardite
Copiapite
Celestine crystals in sulphur groundmass
Briggs-Rauscher oscillating reaction
Aluminium precipitate in sodium hydroxide
Aluminium in excess sodium hydroxide
Gypsum stone
Glauberite, close-up
Linarite in rock groundmass, close-up
Copper Sulfate
Mohr's salt
Copper sulphate solution
Ferrous sulphate crystals
Iron II sulphate 7 water on watch glass
Copper sulphate crystals
Barite crystals, SEM
Magnesium sulfate heptahydrate crystals
Chemical mixture, polarised light micrograph
Preparing copper sulphate solution
Ammonium Sulphate, polarised light micrograph
Copper II sulfate
Desert rose barite
化学物質の結晶
Hydrated copper sulphate crystals, SEM
Zinc reacting with copper sulphate
Container of the food additive E514
Container of the food additive E521
Container of the food additive E522
Container of the chemical element barium
Container of the food additive E515
Nickel displacing copper
Copper sulphate
Container of the food additive E517
Container of the food additive E520
Container of the food additive E523
Container of the food additive E516
Container of the food additive E519
Silver thiosulphate precipitate
Copper sulphate precipitate
Epsom salt crystals, light micrograph
Selenite gypsum
Copper (II) sulphate
Flame test for barium.
Water added to anhydrous copper sulphate
Sample of feldspar
Chrome alum solution
Gibbsite
Tetrahedrite
mirabilite
Variscite, an aluminium phosphate
Sulphur deposits, Volcano Island, Italy
Chrome alum in alkaline solution
Manmade Potassium Ferrocyanide
Brochantite
Desert rose of gypsum crystals
Bauxite, an ore of Aluminum, Arkansas
Smoky quartz crystals
Dehydroepiandrosterone sulphate molecule
Magnesium sulphate crystals
Desert Rose (Selenite) Crystal Gemstone
Alabaster
Vanadinite, an ore of Vanadium
Copper (II) sulphate crystals
Magnesite crystals in groundmass
Artinite crystals in rock groundmass
Hydrozincite
Potassium dichromate crystallization, macrophotograph
Crystals of potassium chloride
Gypsum, polarised LM in thin section
Iron (II) hydroxide precipitation
Vanadinite crystals, an ore of Vanadium
Barite crystal fibres, SEM
Scheelite, an ore of Tungsten
Container of the food additive E518
Sulfur, Italy
Priceite, a Borate mineral, Death Valley
Fluorite crystals
Sample of muscovite
Sample of calcite
Howlite crystals
Flourite crystals
Septarian nodule
Gypsum, Desert Rose form
Gypsum fishbone crystal
Chalcocite crystals
Barite
Aragonite crystals
Bauxite, an ore of Aluminum
Estrone human estrogen hormone molecule
Zinc sulphate crystals.
Karl Bosch, German chemist
Neptunite
Halite
Emerald
Rock concretions and minerals
Apophyllite on calcite
Clay Concretion, Vermont, USA
Septarian Geode
Chalcedony, New Mexico, USA
Aragonite crystals, Morocco
Barite crystals, Spain
Fluorite
Calcite crystals
Flos-ferris Aragonite
Native Silver
Displacement reaction
Sample of chalk
Rhombohedral siderite crystals
Copper sulphate crystals growing
Moles of solids compared
Kernite crystal
Calcareous soil
Enstatite
Quinine sulphate antimalarial drug
Radiograph of the small intestine
Potassium chromate crystallization
Calcite in mudstone