Definition of Rhombohedral. Meaning of Rhombohedral. Synonyms of Rhombohedral

Here you will find one or more explanations in English for the word Rhombohedral. Also in the bottom left of the page several parts of wikipedia pages related to the word Rhombohedral and, of course, Rhombohedral synonyms and on the right images related to the word Rhombohedral.

Definition of Rhombohedral

Rhombohedral
Rhombohedral Rhom`bo*he"dral, a. (Geom. & Crystallog.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron. Rhombohedral iron ore (Min.) See Hematite. Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc.

Meaning of Rhombohedral from wikipedia

- lattice systems (hexagonal and rhombohedral). While commonly confused, the trigonal crystal system and the rhombohedral lattice system are not equivalent...
- the same length. It can be used to define the rhombohedral lattice system, a honeycomb with rhombohedral cells. A cube is a special case of a rhombohedron...
- lower. The two known forms of graphite, alpha (hexagonal) and beta (rhombohedral), have very similar physical properties, except that the graphene layers...
- cleavage. Rhombohedral cleavage occurs when there are three cleavage planes intersecting at angles that are not 90 degrees. Calcite has rhombohedral cleavage...
- in particular the trigonal crystal system is often confused with the rhombohedral lattice system, and the term "crystal system" is sometimes used to mean...
- calcite crystals - the hexagonal system with three indices h, k, l and the rhombohedral system with four indices h, k, l, i. To add to the complications, there...
- crystalline and amorphous forms. Well known crystalline forms are α-rhombohedral (α-R), β-rhombohedral (β-R), and β-tetragonal (β-T). In special cir****stances, boron...
- arises in the rhombohedral lattice which is alternatively described in a centred hexagonal (a=b, c, α=β=90º, γ=120º) or primitive rhombohedral (a=b=c, α=β=γ)...
- planes are defined by symmetry of the crystal system. In monoclinic, rhombohedral, tetragonal, and trigonal/hexagonal systems there is one unique axis...
- distinct polymorphs: rhombohedral, and two monoclinic forms, of which only two are stable at standard conditions. The rhombohedral crystal form is the...