Geographic MineralsDiadochite: Properties and Occurrences Diadochite is a phospho-sulfate mineral. It is a phosphosulfate mineral with a greenish-yellow to brown color. It is a secondary mineral formed by the weathering…
Geographic MineralsDiaboleite: Properties and Occurrences Diaboleite is a blue-colored mineral, formula Pb2CuCl2(OH)4. It was first discovered in 1923 from the Higher Pitts, Mendip Hills, Somersetshire, England. The mineral has since…
Human Resource ManagementFeatures of Good Selection Process Features of Good Selection Process The purpose of the selection process is to pick up the most suitable candidate who would meet the requirements of…
Geographic MineralsDevilline: Properties and Occurrences Devilline is a sulfate mineral with the chemical formula CaCu4(SO4)2(OH)6•3H2O. The name originates from the French chemist’s name, Henri Etienne Sainte-Claire Deville (1818–1881). It forms…
Geographic MineralsDescloizite: Properties and Occurrence Descloizite is a mineral consisting of a basic vanadate chiefly of lead and zinc and varying in color from cherry red to brown and black.…
Geographic MineralsDerriksite: Properties and Occurrences Derriksite is an orthorhombic-pyramidal mineral containing copper, hydrogen, oxygen, selenium, and uranium. It is a very rare uranium mineral with the chemical formula Cu4(UO2)(SeO3)2(OH)6•H2O. It…
SociologyNationalism: Agencies of Socialization Socialization is a process by which culture is transmitted to the younger generation and men learn the rules and practices of social groups to which…
Geographic MineralsDemesmaekerite Demesmaekerite is a triclinic-pinacoidal mineral containing copper, hydrogen, lead, oxygen, selenium, and uranium. It is a uranium mineral with the chemical formula: Pb2Cu5(UO2)2(SeO3)6(OH)6•2H2O. It is…
Geographic MineralsDelvauxite Delvauxite, also known as borickite, is a yellow to brown to dark brown amorphous mineral, sometimes forming a botryoidal mass. It is a mineral approximately…
Geographic MineralsDelafossite: Properties and Occurrences Delafossite is a copper iron oxide mineral with formula CuFeO2 or Cu1+Fe3+O2. It is a mineral consisting of an oxide of copper and iron formerly…
MathematicApollonius’ Theorem Apollonius’ theorem is an elementary geometry theorem relating the length of a median of a triangle to the lengths of its sides. It states that “the sum…
Geographic MineralsDawsonite: Properties and Occurrences Dawsonite is a mineral composed of sodium aluminum carbonate hydroxide, chemical formula NaAlCO3(OH)2. It is an orthorhombic mineral composed of sodium aluminum carbonate hydroxide. It…