Article

Chlorastrolite (also known as Isle Royale Greenstone), is a green or bluish green stone. It is named from Greek “chloros” – green, and “astros” –…

Polar Co-ordinates are widely used in higher mathematics as well as in other branches of science.  In polar co-ordinate system, the position of a point on the…

Chiastolite is a variety of the mineral andalusite with the chemical composition Al2SiO5. It is a form of the mineral andalusite containing carbonaceous inclusions giving…

Chalcedony is a translucent variety of quartz of various colors and waxy luster. It is a cryptocrystalline form of silica, composed of very fine intergrowths…

Ceylonite is dingy blue or grey with black varieties of spinel. It is a dark-colored spinel, called also pleonaste. It was named after the island…

Relation between Cartesian and Polar Co-Ordinates Polar Co-ordinates are widely used in higher mathematics as well as in other branches of science. In mathematics, the polar coordinate system is…

Carnelian is a brownish-red mineral commonly used as a semi-precious gemstone. It is the red, orange, or an amber variety of Chalcedony. In ancient Egypt,…

Cementite is an intermetallic compound of iron and carbon, more precisely intermediate transition metal carbide with the formula Fe3C. It is iron carbide, a constituent…

Campylite is a variety of the lead arsenate mineral mimetite which received the name from the Greek ‘kampylos’- bent, on account of the barrel-shaped bend…

Advantages of Selection Tests Selection test can be used to weed out a large number of candidates who may not be considered for the employment.…

Chabazite is a tectosilicate mineral of the zeolite group, closely related to gmelinite, with formula (Ca, Na2, K2, Mg)Al2Si4O12·6H2O. It was named after the Greek…

Cyrilovite, formula- [NaFe33+(PO4)2(OH)4·2(H2O)] is a hydrous sodium iron phosphate mineral. It is a tetragonal-trapezohedral mineral containing hydrogen, iron, oxygen, phosphorus, and sodium. It is isomorphous and…