Theorem on Parallel Lines and Plane
Theorem on Parallel Lines and Plane Theorem: If two straight lines are parallel and if one of them is perpendicular to a plane, then the…
Science
Raslakite: Properties and Occurrences
Raslakite is a rare mineral of the eudialyte group with the formula Na15 Ca3Fe3(Na,Zr)3Zr3(Si,Nb)SiO(Si9O27)2(Si3O9)2(OH,H2O)3(Cl,OH). It is a trigonal-ditrigonal pyramidal brownish-red mineral containing calcium, chlorine, hydrogen,…
Oneillite: Properties and Occurrences
Oneillite is a rare mineral of the eudialyte group with the formula Na15Ca3Mn3Fe23+Zr3NbSiO(Si3O9)2(Si9O27)2(O,OH,H2O)3(OH,Cl)2. It was named for John Johnston O’Neill, as a geologist with the…
Mogovidite: Properties and Occurrences
Mogovidite is a very rare mineral of the eudialyte group, with formula Na9(Ca,Na)6Ca6(Fe3+,Fe2+)2 Zr3[]Si(Si9O27)2(Si3O9)2(CO3)(OH, H2O)4. It occurs in a nepheline-pectolite vein within ijolite. The formula given…
Theorem on Co-planar
Theorem on Co-planar A set of points, lines, line segments, rays or any other geometrical shapes that lie on the same plane are said to…
Manganoeudialyte
Manganoeudialyte is an moderately rare mineral of the eudialyte group, with formula Na14Ca6Mn3Zr3Si2[Si24O72(OH)2]Cl2·4H2O. The formula given is one of the forms that can be given,…
Manganokhomyakovite
Manganokhomyakovite is a very rare mineral of the eudialyte group, with formula Na12Sr3Ca6Mn3Zr3WSi(Si9O27)2(Si3O9)2O(O, OH, H2O)3(OH, Cl)2. It is a trigonal-ditrigonal pyramidal mineral containing calcium, chlorine,…
Theorems on Straight Lines and Plane
Theorems on Straight Lines and Plane In mathematics, the term “line” actually refers to the “straight line”. It is a one-dimensional figure that extends in…
Labyrinthite: Properties and Occurrences
Labyrinthite is a very rare mineral of the eudialyte group. When compared to other species in the group, its structure is extremely complex – with…
Khomyakovite
Khomyakovite is an exceedingly rare mineral of the eudialyte group, with formula Na12Sr3Ca6Fe3Zr3WSi(Si9O27)2(Si3O9)2O(O,OH,H2O)3(OH,Cl)2. It is a mineral containing calcium, chlorine, hydrogen, iron, oxygen, silicon, sodium,…
Kentbrooksite
Kentbrooksite is a moderately rare mineral of the eudialyte group, with formula (Na,REE)15(Ca,REE)6Mn3Zr3NbSi[(Si9O27)2(Si3O9)2O2]F2·2H2O. It is a trigonal-ditrigonal pyramidal yellowish-brown mineral containing calcium, fluorine, hydrogen, la, ce,…
Axioms: Solid Geometry
Axioms: Solid Geometry Axioms involving reflection at a plane were approached through physical observations of reflection from a plane mirror. Axioms are general statements made…
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