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RE: Crystal reflections: why a dark patch is not a coating test · RWI-28834

Home › Forums › News and General Discussion › New Members Area › Crystal reflections: why a dark patch is not a coating test · RWI-28834 › RE: Crystal reflections: why a dark patch is not a coating test · RWI-28834

January 17, 2026 at 5:11 am #234413
ServiceLedger 04066
Participant

No single lighting setup settles that question. Compare multiple controlled angles and describe the visible observation without asserting material specifications that have not been verified.