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rhombohedral    
菱面型; 菱形; 菱形六面体

菱面型; 菱形; 菱形六面体

rhombohedral
adj 1: having threefold symmetry [synonym: {rhombohedral},
{trigonal}]


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  • Rhombohedron - Wikipedia
    It can be used to define the rhombohedral lattice system, a honeycomb with rhombohedral cells A rhombohedron has two opposite apices at which all face angles are equal; a prolate rhombohedron has this common angle acute, and an oblate rhombohedron has an obtuse angle at these vertices
  • RHOMBOHEDRAL Definition Meaning - Merriam-Webster
    The meaning of RHOMBOHEDRAL is relating to or having the form of a rhombohedron or a form derivable from a rhombohedron
  • Rhombohedral Crystal - an overview | ScienceDirect Topics
    A rhombohedral crystal is defined as a type of crystal that exhibits a specific morphology characterized by three equal axes that are inclined to each other, resulting in a shape resembling a distorted cube
  • Simple Rhombohedral Unit Cell – Materials Science Engineering
    The Simple Rhombohedral (SR), or primitive rhombohedral unit cell, is an unusual way that atoms can be arranged in solids This crystal structure is found in non-STP phases of polonium, mercury, and lithium
  • Rhombohedron -- from Wolfram MathWorld
    A rhombohedron is a parallelepiped bounded by six rhombi such that opposite faces are congruent A rhombohedron having all six rhombic faces congruent is known as a trigonal trapezohedron Special cases include the cube and two golden rhombohedra
  • Rhombohedral Crystal: Understanding the Structure - CompleteEra
    A **rhombohedral crystal** is a **7th crystal system** characterized by **three equal-length axes** that meet at **non-right angles** (≠90°) Unlike cubic or hexagonal systems, its **unit cell is a skewed parallelepiped**, making it unique in symmetry and properties
  • Rhombohedral Crystal Structure — Definition, Properties and Examples
    What is Rhombohedral Crystal Structure? In a rhombohedral crystal structure, all edges have the same length (a = b = c) and all angles are equal but different from 90°
  • Rhombohedral system - Glossary
    The characteristic element of the system is an axis of symmetry of order 3 This system comprises 5 crystal classes The rhombohedral system is that of 10% of mineral species (19% with the hexagonal system), including quartz, calcite and dolomite, tourmalines, hematite, corundum
  • Rhombohedron - Wikiwand
    In geometry, a rhombohedron is a special case of a parallelepiped in which all six faces are congruent rhombi It can be used to define the rhombohedral lattice
  • Rhombohedron Explained
    It can be used to define the rhombohedral lattice system, a honeycomb with rhombohedral cells A rhombohedron has two opposite apices at which all face angles are equal; a prolate rhombohedron has this common angle acute, and an oblate rhombohedron has an obtuse angle at these vertices





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