Identification of ‘Black Dots’ in Glass

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Two types of ‘black dots’ defects in glass — chromite and silicon — are examined. Methods for determining their nature and the most likely reasons for their appearance are presented.

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Author information

Correspondence to N. I. Min’ko.

Additional information

Translated from Steklo i Keramika, No. 10, pp. 3 – 8, October, 2019.

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Min’ko, N.I., Dobrinskaya, O.A. & Burlakov, N.M. Identification of ‘Black Dots’ in Glass. Glass Ceram 76, 365–369 (2020) doi:10.1007/s10717-020-00202-x

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Key words

  • defects in glass
  • physical and chemical methods of identification
  • sources of ‘black dots.’