Science

Amesite is a mineral with the general formula of Mg2Al2SiO5(OH)4. It is an apple-green chlorite mineral occurring in foliated hexagonal plates Amesite crystallizes in the…

Ameghinite, formula- Na[H4B3O7] or NaB3O3(OH)4, is a mineral found in Argentina. It is a soft mineral with a Mohs hardness of 2-3. Ameghinite has a…

The arithmetic mean, also called the average or average value, is the quantity obtained by summing two or more numbers or variables and then dividing…

Amblygonite is a fluorophosphate mineral, (Li, Na) AlPO4 (F, OH), composed of lithium, sodium, aluminum, phosphate, fluoride, and hydroxide. It is a relatively common phosphate…

Amarantite is an amaranth-red to brownish mineral with the general formula of Fe23+O(SO4)2.7H2O or Fe3+(SO4)OH. 3H2O. It is a rare secondary mineral that occurs in…

Amakinite is a semi-transparent yellow-green hydroxide mineral belonging to the brucite group that was discovered in 1962. Its chemical formula is written as (Fe2+, Mg)(OH)2.…

In mathematics, a geometric progression (sequence) (also inaccurately known as a geometric series) is a sequence of numbers such that the quotient of any two…

Alunogen also called feather alum and hair salt is a colorless to white (although often colored by impurities, such as iron substituting for aluminum) fibrous…

Abstract structure It is a formal object that is defined by a set of laws, properties and relationships in a way that is logical if…

Alunite is a hydrated aluminum potassium sulfate mineral, formula KAl3(SO4)2(OH)6. It is a sulfate mineral, first discovered in Monti della Tolfa, Rome, in the 15th…

Geometric Mean The geometric mean is a type of average, usually used for growth rates, like population growth or interest rates. While the arithmetic mean…

Aluminite is a hydrous aluminum sulfate mineral with formula: Al2SO4(OH)4·7H2O. It is a hydrous aluminum sulfate, usually occurring in white compact reniform masses. It is…