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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…

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…

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.…

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…

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…

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…

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…

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…

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…

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…

Daubréelite is a rare sulfide mineral. It crystallizes with cubic symmetry and has a chemical composition of Fe2+Cr3+2S4. It is a mineral consisting of a…

Daubréeite is a rare bismuth oxohalide mineral with formula BiO(OH, Cl). It is a sulphide of chromium observed in some meteoric irons. It is a…