Serpentine Subgroup
The serpentine subgroup (part of the kaolinite-serpentine group) are greenish, brownish, or spotted minerals commonly found in serpentinite rocks. Besides for the main members of…
Science
Anthonyite: Properties and Occurrence
Anthonyite is a hydrous secondary copper halide mineral with the chemical formula of Cu(OH, Cl)2•3(H2O). It is not radioactive. It was discovered in 1963 in…
Inverse Relationship between Multiplication and Division
Inverse Relationship between Multiplication and Division The inverse relationship is a relationship between two numbers in which an increase in the value of one number results…
Inverse relationship of Addition and Subtraction
Inverse relationship of Addition and Subtraction Inverse relationship is a relationship between two numbers in which an increase in the value of one number results in…
Antarcticite: Properties and Occurrence
Antarcticite is an uncommon calcium chloride hexahydrate mineral with formula: CaCl2·6H2O. It forms colorless acicular trigonal crystals. It is an uncommon calcium chloride hexahydrate mineral.…
Anorthoclase
The mineral anorthoclase ((Na, K)AlSi3O8) is a crystalline solid solution in the alkali feldspar series, in which the sodium-aluminum silicate member exists in larger proportion.…
Anorthite: Properties and Occurrence
Anorthite is the calcium endmember of plagioclase feldspar. Plagioclase is an abundant mineral in the Earth’s crust. The formula of pure anorthite is CaAl2Si2O8. It…
Annite: Properties and Occurrence
Annite is a phyllosilicate mineral in the mica family. It has a chemical formula of KFe32+AlSi3O10(OH)2. Annite is the iron end member of the biotite…
Sign of the Quadratic Expression
A polynomial of the second degree is generally called a quadratic polynomial. In elementary algebra, the quadratic formula is the solution of the quadratic equation.…
Annabergite: Properties and Occurrence
Annabergite is an arsenate mineral consisting of a hydrous nickel arsenate, Ni3(AsO4)2·8H2O, crystallizing in the monoclinic system and isomorphous with vivianite and erythrite. It is…
Importance of Good Health and Fitness
Importance of Good Health and Fitness Many people do not realize, and often underestimate, the importance of good health. Health, as they say, is wealth.…
Ankerite: Properties and Occurrence
Ankerite is a calcium, iron, magnesium, manganese carbonate mineral of the group of rhombohedral carbonates with the formula: Ca(Fe, Mg, Mn)(CO3)2. It forms in iron-rich hydrothermal…
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