Alums: Properties and Uses
The alums are a class of chemical compounds. Alums are double sulfate salts, with the general formula AM(SO4)2·12H2O, where A is a monovalent cation such…
Geographic Minerals
Amber Minerals
Amber is fossilized tree resin, which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present…
Alexandrite
Alexandrite The alexandrite variety displays a color change dependent upon the nature of ambient lighting. Alexandrite, with its chameleon-like qualities, is a rare variety of…
Alabaster
Alabaster is a mineral or rock that is soft and often used for carving, as well as being processed for plaster powder. It is compact…
Agate: Properties and Occurrence
Agate is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony, alternating with microgranular quartz. It is a fine-grained variegated chalcedony having its colors arranged…
Adamantine
Adamantine is a mineral, often referred to as adamantine spar. It is a silky brown form of corundum. It has a Mohs rating of 9.…
Hawthorne Effect – Theory of Motivation
Motivation is the reason for people’s actions, desires, and needs. Motivation is one of the essential aspects of HRM which is concerned with the process…
Azurite: Properties and Occurrence
Azurite is a copper carbonate hydroxide mineral with a chemical composition of Cu3(CO3)2(OH)2. It is a soft, deep blue copper mineral produced by weathering of…
Axinite
Axinite is a brown to violet-brown, or reddish-brown bladed group of minerals composed of calcium aluminum boro-silicate, (Ca, Fe, Mn)3Al2BO3Si4O12OH. Axinite is pyroelectric and piezoelectric.…
Awaruite: Properties and Occurrence
Awaruite is a naturally occurring alloy of nickel and iron with a composition from Ni2Fe to Ni3Fe. It is a mineral consisting of a rare…
Maslow’s Hierarchy of Needs- Theory of Motivation
Motivation is the reason for people’s actions, desires, and needs. Motivation is one of the essential aspects of HRM which is concerned with the process…
Avogadrite
Avogadrite, formula [(K, Cs)BF4] is a potassium-caesium tetrafluoroborate in the halide class. It is a potassium and cesium fluoborate occurring in small crystals on Vesuvian lava.…
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