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Gemstone

A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments. Certain rocks (such as lapis lazuli, opal, and obsidian) and occasionally organic materials that are not minerals (such as amber, jet, and pearl) may also be u…

Characters, Culture & Economy

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Characteristics and classification

Ancient GreeksEmeraldRubySapphireTranslucent
42 related topics

Socioeconomic issues in the gemstone industry

Developing countriesNatural resourcesMinersPovertyMining
14 related topics

Value

Gemological Institute of AmericaMnemonic deviceOptical phenomenaAsteriaAmethyst
15 related topics

Treatment

Natural HistoryPliny the ElderCitrineAmetrineTanzanite
11 related topics

Topics to explore

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Overview

Characteristics and classification

Value

Grading

Cutting and polishing

Colors

Treatment

Socioeconomic issues in the gemstone industry

Synthetic and artificial gemstones

In popular culture

Advanced semantic analysis

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Map overview Semantic statistics

Gemstone

Nodes143
Edges142
Triples212
Avg. degree1.99
Density0.013986
Components1

How this topic connects Entity context

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Gemstone

Top relations

related to Grading · 46
Gemstone → Africa's, AGL, AGS, AGTA, AIGS, All Japan, America, American Gem Trade Association, Antwerp World Diamond CentreAmerican, BangkokGemmology Institute, Belgium, BelgiumGemmological Association, Christopher, Eduard Gübelin, EGL, Europe's, GAAJ-ZENHOKYO, Gem, Gem Lab, Gemmological Institute
related to List of rare gemstones · 37
Gemstone → American, Arthur Charles Davy Pain, At, Beaver, British, Chambers County, Chambersite, Count Edward Charles Richard, Earth, French, Gem, Hibonite, Irish, It, Jeremejevite, Madagascar, Maynard Bixby, Musgrave Mountains, Musgravite, Myanmar
related to history · 14
Gemstone → Before, Elder, Following, Fremy, French, In, Marc Gaudin, Minoan Age, Natural History, Other, Pliny, Prior, Reconstructed, Some
related to Value · 13
Gemstone → America, An, Cs, Diamonds, Gemological Institute, Gemstones, GIA, Historically, In, Other, The, The GIA, With
related to Characteristics and classification · 11
Gemstone → Al, Another, For, Greeks, In, Many, Mohs, Other, The, This, West
related to Radiation · 9
Gemstone → Diamonds, Health, However, London, Most, Oro Verde, The, Virtually, When
related to External links · 8
Gemstone → Gemstones, Mineral Commodity Summaries, Quotations, Wikimedia Commons The, Wikiquote Media, Wikivoyageusgs, Wiktionary-logo-en-v2, WiktionaryGemstones
related to Characteristics · 6
Gemstone → Because, Each, Gemstones, Synthetic, These, Undetectable
related to In popular culture · 6
Gemstone → French, Gemme, Japanese, Land, Lustrous, Nolwenn Leroy
has treatment · 5
Gemstone → Depending, Even, Gemstones, In, Some

Important terminology Word statistics

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Important terminology

gemstones used color stone gem process stones natural diamonds ruby also synthetic cut may jewelry corundum diamond discovered mineral colors

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Gemstoneis anatural stone or synthetic0.90text
brazilianite may be used in jewelry because of their colorinstance ofbut some softer minerals0.80text
lusterinstance ofbut some softer minerals0.80text
or other physical properties that have aesthetic valueinstance ofbut some softer minerals0.80text
cubic or trigonal or monoclinicinstance ofMany gems are crystals which are classified by their crystal system0.80text
color zoninginstance ofunusual optical phenomena within the stone0.80text
aquamarineinstance ofEven in the last century certain stones0.80text
peridotinstance ofEven in the last century certain stones0.80text
cat's eyeinstance ofEven in the last century certain stones0.80text
opalinstance ofThese have been a popular shape since ancient time and are more durable than faceted gems.Stones which are cut with a faceting machine by polishing small flat windows called fac…0.80text
turquoiseinstance ofThese have been a popular shape since ancient time and are more durable than faceted gems.Stones which are cut with a faceting machine by polishing small flat windows called fac…0.80text
varisciteinstance ofThese have been a popular shape since ancient time and are more durable than faceted gems.Stones which are cut with a faceting machine by polishing small flat windows called fac…0.80text

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