Ballas

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Contents

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


Sources Checked for Data in Record

  • Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
  • Encyclopedia Britannica, http://www.britannica.com Comment: "industrial diamond" Encyclop√¶dia Britannica [Accessed March 4, 2002].

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