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Words related to tetragonal

te·trag·o·nal
T t

  • cassiterite

    a black or brown mineral, found in igneous rocks and hydrothermal veins. It is a source of tin. Composition: tin oxide. Formula: SnO2. Crystal structure: tetragonal

  • crystal system

    any of six, or sometimes seven, classifications of crystals depending on their symmetry. The classes are cubic, tetragonal, hexagonal, orthorhombic, monoclinic, and triclinic. Sometimes an additional system, trigonal, is distinguished, although this is usually included in the hexagonal system

  • scapolite

    any of a group of minerals of variable composition, essentially silicates of aluminum, calcium, and sodium, occurring as massive aggregates or tetragonal crystals.

  • scheelite

    calcium tungstate, CaWO 4 , usually occurring in tetragonal crystals: an important ore of tungsten.

  • tetragonal trisoctahedron

    Geometry. a trisoctahedron the faces of which are quadrilaterals; trapezohedron.

  • vesuvianite

    a mineral, chiefly a hydrous silicate of calcium and aluminum, commonly in tetragonal crystals and usually of a brown to green color; idocrase.
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