Shapes rhomboidal, perchance rhombohedral -- who knows?.    From Wordnik.com.  [Punch, or the London Charivari, Vol. 146, February 25, 1914] Reference

It is rhombohedral in crystallization and isomorphous with calcite and chalybite.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

There are two forms occurring there, the most abundant of which is the rhombohedral, after Fig. 3.    From Wordnik.com.  [Scientific American Supplement, No. 344, August 5, 1882] Reference

As in the other rhombohedral carbonates, the crystals possess perfect cleavages parallel to the faces of the rhombohedron.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

One part decorated with delicate blue and green stripes ended abruptly where a massive red rhombohedral growth pro'truded from the monstrosity's back.    From Wordnik.com.  [Sentenced To Prism]

The crystals measure up to a yard across, and are rhombohedral or scalenohedral in habit; their faces are usually dull and corroded or coated with stilbite.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

Naturally occurring graphites are reported to contain as much as 30% of the rhombohedral (beta) form, whereas synthetic materials contain only the alpha form.    From Wordnik.com.  [Carbon] Reference

Crystals of calcite are extremely varied in form, but, as a rule, they may be referred to four distinct habits, namely: rhombohedral, prismatic, scalenohedral and tabular.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

Hot or dilute cold solutions deposit minute orthorhombic crystals of aragonite, cold saturated or moderately strong solutions, hexagonal (rhombohedral) crystals of calcite.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

This insulin hexamer corresponds with the unit cell in the rhombohedral crystals first investigated and is the asymmetric unit in the monoclinic form which appears in the presence of phenol.    From Wordnik.com.  [Nobel Lecture The X-Ray Analysis Of Complicated Molecules] Reference

A remarkable case of enclosed impurities is presented by the so-called Fontainbleau limestone, which consists of crystals of calcite of an acute rhombohedral form (fig. 3) enclosing 50 to 60\% of quartz-sand.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"] Reference

The second, the hexagonal system -- called also the rhombohedral -- is different from the others in having four axes, three of them equal and in one plane and all at 120° to each other; the fourth axis is not always equal to these three.    From Wordnik.com.  [The Chemistry, Properties and Tests of Precious Stones] Reference

This calculation is carried out with a rhombohedral unit cell.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

Zooey I've been thinking about putting my appendages on some rhombohedral cleavages.    From Wordnik.com.  [Think Progress] Reference

One is an ultra-hard rhombohedral carbon polymorph similar to diamond, while the other is a.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

Zooey I've been thinking about putting my appendages on some rhombohedral cleavages. pete Says.    From Wordnik.com.  [Think Progress] Reference

It was not common carbonate of lime, for the crystals were rhombohedral and did not show the cleavage of calcite.    From Wordnik.com.  [The Voyage of the Vega round Asia and Europe, Volume I and Volume II] Reference

"The bismuth ferrite wants to be in a rhombohedral phase but the epitaxial strain forces it into a tetragonal phase, creating a morphotropic phase boundary.".    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

This high-resolution electron micrograph shows the boundaries between rhombohedral (R phase) and tetragonal (T phase) regions -- indicated by dashed lines -- in a thin film of bismuth ferrite under epitaxial strain.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

True, in the august presence of rhombohedral crystals, retinasphaltic resins, gehlenites, Fassaites, molybdenites, tungstates of manganese, and titanite of zirconium, why, the most facile of tongues may make a slip now and then.    From Wordnik.com.  [A Journey to the Interior of the Earth] Reference

"The resolution of TEAM 0.5, which is currently the highest in the world for an electron microscope, made it possible for us to image the atomic structure of both the tetragonal and rhombohedral phases and their interfaces," says Ramesh.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

Through annealing treatments of the substrate upon which bismuth ferrite is grown, the material's rhombohedral crystals can be induced to form domain walls that change the direction of electric field polarization by either 71, 109 or 180 degrees.    From Wordnik.com.  [EurekAlert! - Breaking News] Reference

A light pearly gray color and rhombohedral crystals.    From Wordnik.com.  [Scientific American Supplement, No. 415, December 15, 1883] Reference

B, Electronic band structure of rhombohedral LuPtSb with hexagonal lattice constants and c0 correspond to the experimental lattice in.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

2½ inches by 11/12 of an inch, and is filled with large rhombohedral cavities, which formerly contained dolomite.    From Wordnik.com.  [Scientific American Supplement, No. 598, June 18, 1887] Reference

Scottish physicist William Nicol first devised a polarizing prism in 1828 by cutting a rhombohedral section of the mineral calcite (.    From Wordnik.com. Reference

(2) Hexagonal -- rhombohedral, 16.    From Wordnik.com.  [The Chemistry, Properties and Tests of Precious Stones] Reference

Inside, still wet, were three white, rhombohedral blocks.    From Wordnik.com.  [Across The Sea Of Suns]