Difference between revisions of "Bort"
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== Description == | == Description == | ||
| − | Small, granular, poorly crystallized pieces of [ | + | Small, granular, poorly crystallized pieces of [[diamond]]. Bort is a gray to black massive stone with numerous flaws, inclusions and impurities. It is primarily obtained from Congo (Kinasha). Bort is used used as in abrasive coatings for drill bits, grinding wheels, and polishing emulsions. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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| − | == | + | == Sources Checked for Data in Record == |
| − | * | + | * R.M.Organ, ''Design for Scientific Conservation of Antiquities'', Smithsonian Institution, Washington DC, 1968 |
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "Bort." | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "Bort." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 12 May 2004 . |
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 14:12, 29 April 2016
Description
Small, granular, poorly crystallized pieces of Diamond. Bort is a gray to black massive stone with numerous flaws, inclusions and impurities. It is primarily obtained from Congo (Kinasha). Bort is used used as in abrasive coatings for drill bits, grinding wheels, and polishing emulsions.
Synonyms and Related Terms
boart; crushed diamond; industrial grade diamond
Other Properties
no distinct cleavage
| Composition | C |
|---|---|
| Mohs Hardness | 10 |
| Density | 3.5 |
Comparisons
Properties of Common Abrasives
Sources Checked for Data in Record
- R.M.Organ, Design for Scientific Conservation of Antiquities, Smithsonian Institution, Washington DC, 1968
- Encyclopedia Britannica, http://www.britannica.com Comment: "Bort." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 12 May 2004 .
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998