Found 1 items, similar to Rhombohedral iron ore.
English → English (gcide)
Definition: Rhombohedral iron ore
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.
[1913 Webster]
Rhombohedral iron ore (Min.) See
Hematite.
Rhombohedral system (Crystallog.), a division of the
hexagonal system embracing the rhombohedron,
scalenohedron, etc.
[1913 Webster]