Term
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Definition
| tiny nicks and pits caused by wear and damage to a gem's facet edges or culet |
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Term
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Definition
| characteristic or irregularity confined to the surface of a polished gemstone |
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Term
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Definition
| an opening that extends into a gem from the surface |
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Term
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Definition
| a damaged area on a gem, usually near the girdle |
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Term
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Definition
| any hazy or milky area that cannot be described as a feather, fingerprint, or group of included crystals or needles |
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Term
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Definition
| description for a gem with no inclusions visible to the unaided eye |
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Term
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Definition
| a general term for a break in a stone |
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Term
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Definition
| inclusions that form a pattern that often resembles a human fingerprint |
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Term
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Definition
| a mineral crystal trapped within a gem as it grows |
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Term
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Definition
| a long, thin inclusion that can be a solid crystal or a hollow tube that might be filled with liquid or gas |
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Term
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Definition
| an angular, hollow space within a gem that resembles a mineral inclusion |
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Term
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Definition
| minute inclusion enclosed within a gem; can occur singly or in groups called clouds |
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Term
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Definition
| tiny, parallel grooves on a facet surface left by the polishing operation |
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Term
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Definition
| contrast between an inclusion and its host gem |
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Term
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Definition
| a linear scrape, normally seen as a fine, curved, or straight white line |
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Term
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Definition
| group of fine needle-like inclusions |
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