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...
- congruent rhombi. It can be used to define the rhombohedral lattice system, a honeycomb with rhombohedral cells. A rhombohedron has two opposite apices...
- cubes. Rhombohedral cleavage occurs when there are three cleavage planes intersecting at angles that are not 90 degrees. Calcite has rhombohedral cleavage...
- sets of Miller indices are used to describe directions in hexagonal and rhombohedral crystals, including calcite crystals: three Miller indices h, k, l in...
- graphite. Rhombohedral graphite cannot occur in pure form. Natural graphite, or commercial natural graphite, contains 5 to 15% rhombohedral graphite and...
- in particular the trigonal crystal system is often confused with the rhombohedral lattice system, and the term "crystal system" is sometimes used to mean...
- 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...
- Monoclinic 13 Orthorhombic 9 Tetragonal C4, S4, C4h 7 Tetragonal C4v, D2d, D4, D4h 6 Rhombohedral C3, S6 7 Rhombohedral C3v, D6, D3d 6 Hexagonal 5 Cubic 3...
- calcium, iron, magnesium, manganese carbonate mineral of the group of rhombohedral carbonates with the chemical formula Ca(Fe,Mg,Mn)(CO3)2. In composition...
- distinct polymorphs: rhombohedral, and two monoclinic forms, of which only two are stable at standard conditions. The rhombohedral crystal form is the...