Revision as of 16:48, 1 May 2022 by MDerrick (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search


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

Physical and Chemical Properties

Composition C
Mohs Hardness 10


Properties of Common Abrasives

Resources and Citations

  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976

Retrieved from ""