Boltwoodite: Properties and Occurrences
Boltwoodite is a hydrated potassium uranyl silicate mineral with formula HK(UO2)(SiO4)·1.5(H2O). It was named after Bertram Borden Boltwood (1870-1927), radiochemist of Yale University, New Haven,…
Science
Boleite: Properties and Occurrences
Boleite is a complex halide mineral with formula: KPb26Ag9Cu24(OH)48Cl62. It was first described in 1891 as an oxychloride mineral. It was named for its type…
Boehmite: Properties and Occurrences
Boehmite or böhmite is an aluminum oxide hydroxide (γ-AlO(OH)) mineral, a component of the aluminum ore bauxite. It is one of the three component minerals…
Quotient Relations of Trigonometric Ratios
Quotient Relations of Trigonometric Ratios The quotient identities tell us relationships among functions in threes: the tangent function is the quotient of the sine and…
Bobfergusonite
Bobfergusonite is a mineral with formula Na2Mn5FeAl(PO4)6. The mineral varies in color from green-brown to red-brown. It was discovered in 1986 in Manitoba, Canada, and…
Blossite: Properties and Occurrences
Blossite is an anhydrous copper vanadate mineral with the formula: Cu2+2V5+2O7. It is a very rare sublimate, probably formed between 100–2000C, from the outer sulfate…
Blödite: Properties and Occurrences
Blödite or bloedite is a hydrated sodium magnesium sulfate mineral with formula: Na2Mg(SO4)2·4H2O. It is consisting of a hydrous sodium magnesium sulfate that is colorless…
Reciprocal Relations of Trigonometric Ratios
Reciprocal Relations of Trigonometric Ratios Reciprocal relations of trigonometric ratios are explained here to represent the relationship between the three pairs of trigonometric ratios as…
Disadvantages of Off-the-Job Training
Off-the-job training is another method of employee training which is concerned with the arrangements organized away from an organizational workstation. It takes place outside the…
Bixbyite: Properties and Occurrences
Bixbyite is a manganese iron oxide mineral with chemical formula: (Mn, Fe)2O3. It is an uncommon mineral, distinguished by its dark, lustrous crystals that are…
Bityite: Properties and Occurrences
Bityite is considered a rare mineral, and it is an endmember to the margarite mica sub-group found within the phyllosilicate group. It is a late-stage…
Bismutite: Properties and Occurrences
Bismutite or bismuthite is a bismuth carbonate mineral with formula Bi2(CO3)O2 (bismuth subcarbonate). It was named in allusion to the bismuth in its composition. It…
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