Ballas
Shards of non-gem-grade/quality, spherical diamonds with no crystal form From Wikipedia, the free encyclopedia
Shards of non-gem-grade/quality, spherical diamonds with no crystal form From Wikipedia, the free encyclopedia
Ballas (or shot bort) is a diamond industry term for roughly spherical shards of non-gem-grade diamond, mostly mined in Brazil and South Africa.[1]
A ballas is an aggregate of diamond grains concentrically arranged with radiating structure into a roughly spherical stone with a fibrous texture and without throughgoing cleavage planes. Tougher and more difficult to cleave than crystalline stones, ballas are used as industrial diamonds.
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