Science

Alabandite is a rarely occurring manganese sulfide mineral. The name is derived from its supposed discovery locality at Alabanda, Turkey. It crystallizes in the cubic…

Complex Numbers The introduction of complex numbers plays a very important role in the theory of numbers. A complex number is a number of the…

Aktashite is a rare arsenic sulfosalt mineral with formula Cu6Hg6As4S12. It is a copper mercury-bearing sulfosalt and is the only sulfosalt mineral with essential Cu…

Akrochordite is a monoclinic-prismatic reddish-brown mineral containing arsenic, hydrogen, magnesium, manganese, and oxygen. It is an exceptionally rare hydrated hydrous arsenate mineral of the formula…

Akimotoite is a rare silicate mineral (Mg,Fe)SiO3 in the ilmenite group of minerals. It found in fragments within veins of the shock-induced melt. It is…

Definitions of surds: A root of a positive real quantity is called a surd if its value cannot be exactly determined. It is a number…

Akhtenskite is a manganese oxide mineral with the chemical formula of MnO2 that was named after the Akhtensk deposit in Russia, where it was first…

Akermanite, formula – (Ca2Mg[Si2O7]) is a melilite mineral of the sorosilicate group, containing calcium, magnesium, silicon, and oxygen. It is consists of calcium magnesium silicate…

Subtracting Fractions with Denominator Subtracting fractions is done differently than the usual numbers. The denominator is the part of a fraction that is below the…

Relating Equivalent Decimals to Fractions Decimals are a type of fractional number. The decimal 0.5 represents the fraction 5/10. The decimal 0.25 represents the fraction…

Akdalaite is a very rare mineral found in Kazakhstan and has the formula 5Al2O3·H2O. It was formerly believed to be 5Al2O3·H2O It is, therefore, the…

Definitions of surds: A root of a positive real quantity is called a surd if its value cannot be exactly determined. It is a number…