Science

Aerugite is a rare complex nickel arsenate mineral with a variable reported formula: Ni(AsO4)2AsO6. It forms green to deep blue-green trigonal crystals. It has a…

Aerinite (Ca4(Al,Fe,Mg)10Si12O35(OH)12CO3·12H2O) is a bluish-purple inosilicate mineral. It was named after the Greek word for sky blue, due to the mineral’s distinctive color. It crystallizes…

Potassium Channel Definition Potassium channels are designed to allow the flow of potassium ions across the membrane but to block the flow of other ions–in…

Simple and Compound Surds Surds are numbers left in root form (√) to express its exact value. It has an infinite number of non-recurring decimals.…

Autoimmune Hepatitis Definition Autoimmune hepatitis (AIH) is a chronic condition and can result in cirrhosis (scarring) of the liver and (ultimately) liver failure. AIH is…

Aenigmatite is an uncommon mineral that is often a primary constituent of sodium-bearing alkalic volcanic rocks, pegmatites, and other igneous rocks that are silica-poor. The…

Aegirine is a member of the clinopyroxene group of inosilicates. Aegirine is the sodium endmember of the aegirine-augite series. Aegirine has the chemical formula NaFe3+[…

Thiosulfate Definition Thiosulfate is a type of ion, specifically an oxyanion of sulfur. It is a compound containing the group S2O3. It rapidly dechlorinates water…

Admontite is a hydrated magnesium borate mineral with formula MgB6O10·7H2O. It was named after Admont in Austria, the place where the mineral was initially discovered,…

Adelite is a rare arsenic-containing mineral which occurs as colorless to grey or green elongated crystals, often in polycrystalline masses. The rare mineral adelite is…

Converting a Fraction to a Percent Do the following steps to convert a fraction to a percent: For example Convert 4/5 to a percent. Divide…

Definitions of surds- A root of a positive real quantity is called a surd if its value cannot be exactly determined. It is a number…