Portlandite (calcium hydroxide, Ca(OH)2, slaked lime, hydrated lime) mineral, crystal structure. Drawingsby molekuul1/86
Calcium oxide (CaO, quicklime, burnt lime), crystal structure. Essential ingredient of cement. Clipartby molekuul1/20
Calcium oxide (CaO, quicklime, burnt lime), crystal structure. Essential ingredient of cement. Stock Illustrationby molekuul1/43
Corundum (Aluminium oxide), crystal structure. Ruby gems consist of red transparent corundum, sapphire from other color varieties of transparent corundum Drawingby molekuul1/25
Calcium oxide (CaO, quicklime, burnt lime), crystal structure. Essential ingredient of cement. Clip Artby molekuul1/104