Arithmetic Mean
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…
Science
Allanite: Identification and Occurrence
Allanite also called orthite, is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare-earth elements. This rare earth…
Allactite
Allactite (Formula: Mn7(AsO4)2(OH)8) is a rare arsenate mineral of metamorphosed manganese zinc ore deposits. It is a mineral consisting of a brownish red basic manganese…
Allabogdanite
Allabogdanite is a very rare phosphide mineral with formula (Fe, Ni)2P, found in 1997 in a meteorite. It is not Radioactive. It was described as…
Arithmetic Progression
Arithmetic Progression In mathematics, an arithmetic progression (AP) or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is…
Aliettite
Aliettite is a complicated phyllosilicate mineral of the smectite group with a formula of (Ca0.2Mg6(Si, Al)8O20(OH)4·4H2O). It is not Radioactive. It is a soft, colorless…
Properties of Complex Numbers
The complex number system can be defined as the algebraic extension of the ordinary real numbers by an imaginary number i. This means that complex…
Algodonite
Algodonite is a copper arsenide mineral with formula: Cu6As. It is a gray-white metallic, copper arsenide mineral, crystallizing in a hexagonal pattern. The mineral was…
Alforsite: Occurrence and Identification
Alforsite is a barium phosphate chloride mineral with formula: Ba5(PO4)3Cl. The Apatite group is compromised of minerals that are isomorphous hexagonal phosphates. It was discovered…
Trigonometry Terms
Trigonometry Terms Trigonometry is a branch of mathematics that studies relationships involving lengths and angles of triangles. The study of angles and of the angular relationships of planar…
Aleksite
Aleksite is a rare lead-bismuth tellurium sulfosalt mineral with formula PbBi2Te2S2. This is a trigonal-hexagonal scalenohedral steel-gray mineral containing bismuth, lead, sulfur, and tellurium. It…
Aldermanite: Physical and Chemical Properties
Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12(PO4)8(OH)22·32H2O. This is an orthorhombic colorless mineral containing aluminum, hydrogen, magnesium, oxygen, and phosphorus. It’s named…
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