Metaglossary.com - Definitions for "{term}"

Keywords: dral, trigonal, ral, hexagonal, cleavage

In the shape of a rhombohedron. The rhombohedral (trigonal) crystal system. Minerals may have a rhombohed ral crystal form, or may have rhombohedral cleavage. Calcite is an example of a rhombohedr al crystal with rhombohedral cleavage.

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(rhom-bo-he´-dral) Pertaining to or crystallizing in rhombohedrons. System: a division of the hexagonal system in which the unit cell is a rhombohedron.

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Keywords: scalenohedron, derivable, presenting, relating, forms

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.

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Keywords: prism, facets, six, resembling, four

Resembling a prism with six four-sided facets.

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Keywords: symmetry, fold, three

having three-fold symmetry

wordnet.princeton.edu

Keywords: definition, need

NEED A DEFINITION.

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