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 == | ||
| Line 8: | Line 8: | ||
boart; crushed diamond; industrial grade diamond | boart; crushed diamond; industrial grade diamond | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | + | * No distinct cleavage | |
{| class="wikitable" | {| class="wikitable" | ||
| Line 21: | Line 21: | ||
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 3.5 | + | | 3.5 g/ml |
|} | |} | ||
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[[media:download_file_184.pdf|Properties of Common Abrasives]] | [[media:download_file_184.pdf|Properties of Common Abrasives]] | ||
| − | + | ==Resources and Citations== | |
| − | |||
| − | == | ||
* R.M.Organ, ''Design for Scientific Conservation of Antiquities'', Smithsonian Institution, Washington DC, 1968 | * 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." Accessed 12 May 2004. |
* Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 | ||
Latest revision as of 07:41, 10 May 2022
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
Physical and Chemical Properties
- No distinct cleavage
| Composition | C |
|---|---|
| Mohs Hardness | 10 |
| Density | 3.5 g/ml |
Comparisons
Properties of Common Abrasives
Resources and Citations
- R.M.Organ, Design for Scientific Conservation of Antiquities, Smithsonian Institution, Washington DC, 1968
- Encyclopedia Britannica, http://www.britannica.com Comment: "Bort." Accessed 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