Silver Nitrate
Silver Nitrate Definition Silver nitrate is a poisonous, clear, crystalline compound that darkens when exposed to light. It is an inorganic compound with chemical formula…
Science
Periodontitis
Periodontitis Definition Periodontitis is a serious gum infection that damages the soft tissue and bone that supports the tooth. The word “periodontitis” literally means “inflammation…
Aerugite: Identification and Properties
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: Overview
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
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
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
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: Physical and Chemical Properties
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: Physical and Chemical Properties
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
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: Occurrence and Properties
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: Physical and Chemical Properties
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…
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