Difference between revisions of "Ballas"
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Revision as of 13:00, 27 April 2013
Description
Small, imperfectly crystallized pieces of diamond. Ballas stones are rounded with no distinct cleavage. They are extremely hard and tough. Ballas is mined in Brazil and South Africa. The industrial grade diamond is primarily used as an abrasive.
Synonyms and Related Terms
shot bort; industrial grade diamond
| Composition | C |
|---|---|
| Mohs Hardness | 10 |
Comparisons
Properties of Common Abrasives
Authority
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Encyclopedia Britannica, http://www.britannica.com Comment: "industrial diamond" Encyclopdia Britannica [Accessed March 4, 2002].