Chemistry

Sodium Thiosulfate Definition Sodium thiosulfate is a colorless crystalline compound, stable on air up to 80 °C, in vacuum decomposes at 300 °C to sodium…

Potassium Iodide Definition Potassium iodide (KI) is a white crystalline compound used in photography and medicine and as a reagent in chemical analysis. It is…

Adamite is a zinc arsenate hydroxide mineral, Zn2AsO4OH. It occurs in many different lively colors. It is a mineral that typically occurs in the oxidized…

Silver Iodide Definition Silver iodide is a pale-yellow, odorless powder that darkens when it is exposed to light. The darkening occurs because silver ions (Ag+;…

Barium Sulfate Definition Barium sulfate is a fine white powder used in making textiles, rubber, and plastic. It is also used in diagnostic imaging of…

Acuminite is a rare halide mineral of with chemical formula: SrAlF4(OH)·(H2O). Its name comes from the Latin word acumen, meaning “spear point”. Its Mohs scale…

Actinolite is an amphibole silicate mineral with the chemical formula Ca2 (Mg4..5-2.5  Fe2+0.5-2.5) Si8O22 (OH)2. It is a member of the amphibole silicate mineral family.…

Precipitation Definition Precipitation is a process that causes dissolved substances to separate from a solution as a solid. In general, precipitation happens when one phase…

Thermite Definition Thermite is a mixture of finely-divided metallic aluminum and ferric oxide that when ignited produces extremely high temperatures as the result of the…

Achávalite is a selenide mineral that is a member of the nickeline group. It has only been found in a single Argentinian mine system, being…

Acanthite is a form of silver sulfide with the chemical formula Ag2S. It is one of the most important ores of silver. It crystallizes in…

Barium Titanate Definition Barium titanate (BaTiO3) is an inorganic chemical compound which is available in a white powder form. It is a common ferroelectric material…