Ballas

Ballas

Ballas

Shards of non-gem-grade/quality, spherical diamonds with no crystal form

For other uses, see Ballas (disambiguation).

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]

Brazilian ballas

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.

References

  1. [1]
    industrial diamond. Encyclopædia Britannica


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