Trapezohedral
Trapezohedral Trap`e*zo*he"dral, a. Of, pertaining to, or resembling, a trapezohedron. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • trapezohedral — trape·zo·he·dral …   English syllables

  • trapezohedral — tra|pēzō|hēdrəl, trə|pēz , |trapəz sometimes chiefly Brit hed adjective Etymology: New Latin trapezohedron + English al : of, relating to, or resembling a trapezohedron * * * trapēzohēˈdral adjective • • • Main Entry: ↑trapezium …   Useful english dictionary

  • trapezohedron — trapezohedral, adj. /treuh pee zeuh hee dreuhn, trap euh /, n., pl. trapezohedrons, trapezohedra / dreuh/. 1. Crystall. a crystal form having all faces trapeziums. 2. Geom. a trapezoid trisoctahedron. [1810 20; TRAPEZ(OID) + O + HEDRON] * * * …   Universalium

  • Some physical properties of silica minerals — ▪ Table Some physical properties of silica minerals phase symmetry specific gravity hardness ● quartz ●   (alpha quartz) ● hexagonal; ●   trigonal ●   trapezohedral 2.651 7 ● high quartz ●   (beta quartz) ● hexagonal; ●   hexagonal ●… …   Universalium

  • KAlSi2O6 — Leucite Leu cite (l[=u] s[imac]t), n. [Gr. leyko s white: cf. F. leucite.] [1913 Webster] 1. (Min.) A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash {KAlSi2O6}. It is… …   The Collaborative International Dictionary of English

  • Leucite — Leu cite (l[=u] s[imac]t), n. [Gr. leyko s white: cf. F. leucite.] [1913 Webster] 1. (Min.) A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash {KAlSi2O6}. It is found in the …   The Collaborative International Dictionary of English

  • Trapezoidal — Trap e*zoid al, a. [Cf. F. trap[ e]zo[ i]dal.] [1913 Webster] 1. Having the form of a trapezoid; trapezoid. [1913 Webster] 2. (Min.) Trapezohedral. [1913 Webster] …   The Collaborative International Dictionary of English

  • Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category …   Wikipedia

  • Cinnabar — This article is about the mineral. For the plant resin, see Dragon s blood. For the moth, see Cinnabar moth. Cinnabar Cinnabar on Dolomite General …   Wikipedia

  • Trapezohedron — Set of trapezohedra Faces 2n kites Edges 4n Vertices 2n+2 Face configuration V3.3.3.n …   Wikipedia

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