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IEVref:561-04-15ID:
Language:enStatus: Obsolete
Term: inclusions
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Definition: foreign material within a synthetic quartz crystal, visible by examination of scattered light from a bright source with the crystal immersed in a refractive index-matching liquid

Note 1 to entry: A particularly common inclusion is the mineral acmite (sodium iron silicate).

Note 2 to entry: This entry was numbered 561-05-06 in IEC 60050-561:1991.


Publication date:2014-11
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