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HOK-DIA-TERM-137 · Inclusions and internal structure

Feather

A term for a fracture or fracture-like inclusion that often appears feather-like under magnification. Its importance depends on size, position, and effect on durability.

Accepted international termStable2 chapters
RELATED TERMS

Terminology network

BruiseInclusions and internal structureCavityInclusions and internal structureChipInclusions and internal structureFractureInclusions and internal structureEpigenetic phaseInclusions and internal structureIndented naturalInclusions and internal structureKnotInclusions and internal structure
FULL CONTEXT

Related chapters of The Book

045Feathers, Fractures, Cavities, and ChipsVI · INCLUSIONS, DEFECTS, AND CLARITY047Clarity Plots, Clarity, and DurabilityVI · INCLUSIONS, DEFECTS, AND CLARITY
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 KacinariDIJAMANTI_MASTER_RUKOPIS_v1_37

Primary internal terminology and context source across 105 chapters.

GIAGIA 4Cs / Diamond Quality Factors

Widely used definitions for color, clarity, cut, carat and optical appearance terms.

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