- In geometry, a
rhombohedron (also
called a
rhombic hexahedron or, inaccurately, a rhomboid) is a three-dimensional
figure with six
faces which are rhombi...
- In geometry, a
trigonal trapezohedron is a
rhombohedron (a
polyhedron with six rhombus-shaped faces) in which, additionally, all six
faces are congruent...
-
shape is a six-sided
prism terminating with six-sided pyramid-like
rhombohedrons at each end. In nature,
quartz crystals are
often twinned (with twin...
- zonohedrons,
which can be seen as
projective envelopes of hypercubes. A
rhombohedron (also
called a
rhombic hexahedron) is a three-dimensional
figure like...
- In geometry, the
elongated gyrobifastigium or
gabled rhombohedron is a space-filling
octahedron with 4
rectangles and 4 right-angled
pentagonal faces....
- cube is also a
square parallelepiped, an
equilateral cuboid, a
right rhombohedron, and a 3-zonohedron. It is a
regular square prism in
three orientations...
- (apex-truncated
square pyramid)
Parallelepiped (three
pairs of parallelograms)
Rhombohedron (three
pairs of rhombi)
Trapezoidal prism Non-convex
cuboid Lists of...
-
Echinosphaerites aurantium (Middle Ordovician,
northeastern Estonia)
Rhombohedrons of
calcite that
appear almost as
books of petals,
piled up 3-dimensionally...
- Dark teal,
emerald green Crystal habit Six
sided prisms terminated by
rhombohedrons to m****ive
Cleavage Perfect in
three directions Fracture Conchoidal...
- Quadrilateral-faced
hexahedral prismatoids:
Parallelepipeds – six
parallelogram faces Rhombohedrons – six
rhombus faces Trigonal trapezohedra – six
congruent rhombus faces...
