This is referred to as conchoidal fracture; glass fractures in the same way. From Wordnik.com. [Quartz] Reference
This one can see by the traces of conchoidal fracture which they all show. From Wordnik.com. [Anahuac : or, Mexico and the Mexicans, Ancient and Modern] Reference
The conchoidal fractures began on the clean side of the glass and ended on the dirty side. From Wordnik.com. [The Coffin Dancer]
At ordinary temperatures ebonite is hard and brittle and breaks with a well-marked conchoidal fracture. From Wordnik.com. [On Laboratory Arts] Reference
When someone breaks a window the glass shatters in a series of conchoidal breaks — curved fracture lines. From Wordnik.com. [The Coffin Dancer]
The twigs soon become encrusted with a mammelated substance of a red colour more or less deep, nearly transparent, hard, and having a brilliant conchoidal fracture. From Wordnik.com. [Field's Chromatography or Treatise on Colours and Pigments as Used by Artists] Reference
Its fracture is not fibrous but imperfectly conchoidal. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference
Its conchoidal clevage is susceptible of a high polish. From Wordnik.com. [The Catholic Encyclopedia, Volume 14: Simony-Tournon] Reference
It is a completely opaque stone of a conchoidal cleavage. From Wordnik.com. [The Catholic Encyclopedia, Volume 14: Simony-Tournon] Reference
This material has a dull luster and a conchoidal fracture. From Wordnik.com. [The Economic Aspect of Geology] Reference
I noticed some conchoidal hollows more than a foot in diameter. From Wordnik.com. [The Maine Woods] Reference
This cement, where it abounds, has a conchoidal fracture and passes to jasper. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference
It is a compact hydrocarbon, takes a high polish, and has a conchoidal fracture. From Wordnik.com. [Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :] Reference
Its fracture is perfectly conchoidal, and it is extremely transparent on the edges. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
Obsidian — Volcanic glass, with a decided conchoidal fracture, commonly black in color. From Wordnik.com. [Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :] Reference
The limestone of Barcelona has a dull, even, or conchoidal fracture, with very flat cavities. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
They are semi-diaphanous octahedrons, very brilliant on the surface, and of a conchoidal fracture. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
The shale above for several feet is very bituminous, with a conchoidal fracture, and is sometimes irised. From Wordnik.com. [Transactions of the American Philosophical Society] Reference
Gilsonite or Uintahite — A brittle variety of asphalt, lustrous black in color, with a conchoidal fracture. From Wordnik.com. [Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :] Reference
It incloses angular and less friable masses of dark brown clay with a slaty and sometimes conchoidal fracture. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference
The final stage of coal formation is anthracite, -- hard, brittle, black, with high luster and conchoidal fracture. From Wordnik.com. [The Economic Aspect of Geology] Reference
It has greater density than the lignites or subbituminous coals, is black, more brittle, and breaks with a cubical or conchoidal fracture. From Wordnik.com. [The Economic Aspect of Geology] Reference
It is not, however, a transition rock; by its position, its division into small strata, its whiteness and its dull and conchoidal fractures. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference
The colour of the stone is no longer of a smoky or bluish grey; it becomes white; its fracture is smooth, and sometimes even imperfectly conchoidal. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
The serpentine is sometimes of an esquillous, sometimes of a conchoidal fracture: this was the first time I had found metalloid diallage within the tropics. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference
These obsidians are, nevertheless, but little transparent on the edges; they are almost opaque, of a brownish black, and of an imperfect conchoidal fracture. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
It is generally of a smoke-grey colour, earthy, and friable; but it encloses more solid masses of a blackish brown, of a schistose, and sometimes conchoidal fracture. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
Its fracture is generally irregular; wherever it is conchoidal, we may presume that the cooling has been more rapid, and the mass has been exposed to a less powerful pressure. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1] Reference
Sometimes it is very pure, very homogeneous, of a dusky olive-green, and of a conchoidal fracture: sometimes it is veined, mixed with bluish steatite, of an unequal fracture, and containing spangles of mica. From Wordnik.com. [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2] Reference
It is of a conchoidal structure. From Wordnik.com. [The Catholic Encyclopedia, Volume 14: Simony-Tournon] Reference
Possesses dull luster and conchoidal fracture. From Wordnik.com. [Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :] Reference
| »raie Homstone splintiy conchoidal '. From Wordnik.com. [The Introductory Lecture of Thomas Cooper, Esq.] Reference
Look at the conchoidal, Mel. ". From Wordnik.com. [The Coffin Dancer]
LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit.
Questions? Feedback? We want to hear from you!
Email us
or click here for instant support.
Copyright © 2005 and after - LearnThat Foundation. Patents pending.