Athabascaite: Properties and Occurrence
Athabascaite is a member of the copper selenide minerals and forms with other copper selenides. It was first discovered by S. Kaiman in 1949 while…
Science
Atacamite: Properties and Occurrence
Atacamite is a copper halide mineral: a copper(II) chloride hydroxide with formula Cu2Cl(OH)3. It is an unusual and attractive halide mineral. It is polymorphous with…
Polyester Capacitors
Polyester capacitors also are known as Mylar or PET capacitors are used as leaded capacitors in many applications. They are used mainly in their leaded…
Astrophyllite: Properties and Occurrence
Astrophyllite [Formula: (K, Na)3(Fe++, Mn)7Ti2Si8O24(O, OH)7] is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. It is a unique and rare…
Polycarbonate Capacitor
The polycarbonate capacitor has been available for many years. The polycarbonate dielectric material is very stable having a high tolerance and can operate at a…
Asisite: Properties and Occurrence
Asisite (Formula- Pb7SiO8Cl2) is a yellow tetragonal mineral. It is a very rare lead oxyhalide found only at the Kombat mine. Asisite was named after…
Characteristic of the Logarithm – Determination by Mantissa
In mathematics, logarithms were developed for making complicated calculations simple. In mathematics, the logarithm is the inverse operation to exponentiation, just as division is the…
Ashoverite
Ashoverite is one of three polymorphs of zinc hydroxide, Zn(OH)2. It is a rare mineral first found in a limestone quarry near Ashover, Derbyshire, England,…
Ashburtonite
Ashburtonite is a rare lead copper silicate-bicarbonate mineral with formula: HPb4Cu2+4Si4O12 (HCO3)4(OH)4Cl. It contains tetragonal-dipyramidal blue mineral containing carbon, chlorine, copper, hydrogen, lead, oxygen, and…
Common Logarithm and Natural Logarithm
In mathematics, logarithms were developed for making complicated calculations simple. In mathematics, the logarithm is the inverse operation to exponentiation, just as division is the inverse of…
Artroeite: Properties and Occurrence
Artroeite, formula – [PbAlF3(OH)2] is a mineral found in Arizona. It is named for the late American chemist Arthur Roe (1912–1993). The structure was solved by…
Artinite
Artinite is a hydrated magnesium carbonate mineral with formula: Mg2(CO3)(OH)2·3H2O. It is a somewhat rare carbonate mineral. It forms as a crust of acicular to…
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