rhombohedron
/rom-buh-hee-druhn/US // ˌrɒm bəˈhi drən //UK // (ˌrɒmbəʊˈhiːdrən) //
四面体,菱形面体,菱形体,菱形面
Definitions
n.名词 noun
- 1
plural rhom·bo·he·drons, rhom·bo·he·dra [rom-buh-hee-druh]. /ˌrɒm bəˈhi drə/.
- : a solid bounded by six rhombic planes.
Examples
The secondary twin-lamination, parallel to the obtuse rhombohedron e , so common in calcite, does not exist in dolomite.
Calcite cleaves in three directions parallel to the faces of the primitive rhombohedron.
This plane, which truncates the edge of the rhombohedron and has the indices , is called a “glide-plane.”
As in the other rhombohedral carbonates, the crystals possess perfect cleavages parallel to the faces of the rhombohedron.
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