Science

Ferrokentbrooksite is a moderately rare mineral of the eudialyte group, with formula Na15Ca6(Fe,Mn)3Zr3NbSi(Si3O9)2(Si9O27)2O(O,OH,H2O)3(Cl,F,OH)2. It is a trigonal-ditrigonal pyramidal mineral containing aluminum, calcium, chlorine, fluorine, hafnium,…

Fengchengite is a rare mineral of the eudialyte group with the formula Na12[]3(Ca, Sr)6Fe33+Zr3Si(Si24O73)(H2O, OH)3(OH, Cl)2. The formula is simplified as it does not show…

Feklichevite is a rare mineral of the eudialyte group with the formula Na11Ca9(Fe3+, Fe2+)2Zr3NbSi(Si3O9)2  (Si9O27)2. It is a trigonal-ditrigonal pyramidal mineral containing calcium, cerium, chlorine,…

Orthogonal Projection: A projection of a figure by parallel rays. In such a projection, tangencies are preserved. Parallel lines project to parallel lines. The ratio…

Dualite is a very rare and complex mineral of the eudialyte group, its complexity being expressed in its formula: Na30(Ca, Na, Ce, Sr)12(Na, Mn, Fe,…

Davinciite is a very rare mineral of the eudialyte group, with the simplified formula Na12K3Ca6Fe32+Zr3(Si2O73OH)Cl2. The formula given does not show the presence of cyclic…

Angle between Two Skew Lines Skew Lines mean two or more lines which have no intersections but are not parallel, also called agonic lines. Since…

Carbokentbrooksite is a very rare mineral of the eudialyte group, with formula (Na,[])12(Na, Ce)3Ca6Mn3Zr3NbSiO(Si9O27)2(Si3O9)2(OH)3(CO3).H2O. It is a trigonal-ditrigonal pyramidal yellow mineral containing calcium, carbon, cerium,…

Aqualite is a very rare mineral of the eudialyte group, with formula (H3O)8(Na, K, Sr)5Ca6Zr3SiSi(Si24O66)(OH)9 Cl. The formula given does not show the presence of…

Andrianovite is a very rare mineral of the eudialyte group, with formula Na12(K, Sr, Ce)6Ca6(Mn, Fe)3Zr3NbSi(Si3O9)2(Si9O27)2O(O, H2O, OH)5. It was named after Valerii Ivanovich Andrianov,…

A curved surface is considered a large set of points. Every point in the curve has two neighbors excluding the endpoints. Plane Surface is a flat…

Eudialyte, whose name derives from the Greek phrase ‘eu dialytos’, meaning “well decomposable”, is a somewhat rare, nine-member ring cyclosilicate mineral, which forms in alkaline…