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Gagarinite-(Ce) previously zajacite-(Ce) is a rare radioactive fluoride mineral with formula Na(REExCa1-x)(REEyCa1-y)F6. REE refers to rare-earth elements, mostly those belonging to the lanthanide series. It…

Social Development of a Child The concept of social development lies in the concept of socialization. It refers to the process by which a child…

Gadolinite, sometimes known as ytterbite, is a silicate mineral consisting principally of the silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron with the formula…

Gabrielite is a rare thallium sulfosalt mineral with a chemical formula of Tl6Ag3Cu6(As, Sb)9S21 or Tl2AgCu2As3S7. It is a triclinic-pinacoidal black mineral containing antimony, arsenic,…

Francolite is a carbonate-rich variety of the mineral fluorapatite and is present in most sedimentary phosphorites. It is a variety of apatite. It is the…

Fassaite is a variety of augite with a very low iron content, Ca(Mg, Fe, Al)(Si, Al)2O6. It is a mineral consisting of a pale green…

Job Evaluation Process Job evaluation is the systematic process for assessing the relative worth of jobs within an organization. It involves a systematic study and…

Fukuchilite, Cu3FeS8, is a copper iron sulfide named after the Japanese mineralogist Nobuyo Fukuchi (1877–1934). It is a copper iron sulphide, believed by some to…

Freieslebenite is a sulfosalt mineral composed of antimony, lead, and silver. Sulfosalt minerals are complex sulfide minerals in the formula: AmBnSp. The formula is AgPbSbS3.…

A root of a positive real quantity is called a surd if its value cannot be exactly determined. It is a number that can’t be…

Freibergite is a complex sulfosalt mineral of silver, copper, iron, antimony and arsenic with formula (Ag, Cu, Fe)12(Sb, As)4S13. It is a complex cubic sulfosalt…

Franklinphilite is a phyllosilicate of the stilpnomelane group. It is a triclinic mineral containing aluminum, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, sodium, and zinc.…