Optics
Luster
A qualitative description of the appearance of light reflected from the surface of a mineral or gem. Diamond is traditionally described as having adamantine luster.
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TERM USAGE
How this term is used on the platform
- Synonyms / variants
- lustre
- Editorial note
- Do not use luster as a substitute for brightness, fire, or scintillation without context.
FORM IN THE CROATIAN EDITION
How the Croatian edition writes this term
- Level
- International term in italics
- Form
- luster
RELATED TERMS
Terminology network
FULL CONTEXT
Related chapters of The Book
TERMINOLOGY BASIS
Sources and authorities
The records below form the terminology basis for this entry or its category. This does not mean that every source defines every word on this page. The canonical manuscript remains the primary contextual source, while each external standard, laboratory policy, or regulatory guideline applies only within its own scope.
House of KacinariDiamonds: The Book
GIAGIA 4Cs / Diamond Quality FactorsPrimary internal terminology and context source across 105 chapters.
Widely used definitions for color, clarity, cut, carat and optical appearance terms.