Emeralds
E43698
Emeralds are precious green gemstones, a variety of the mineral beryl colored by trace amounts of chromium or vanadium, highly valued in jewelry for their rich hue and rarity.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Emeralds canonical | 3 |
| Beryl family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T342162 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Emeralds Context triple: [Diamonds, precededBy, Emeralds]
-
A.
Lapis Niger
Lapis Niger is an ancient black stone shrine and inscribed pavement in Rome’s Forum Romanum, traditionally associated with early Roman religious or funerary practices and sometimes linked to the legendary king Romulus.
-
B.
Regent Diamond
The Regent Diamond is a famed 140.64-carat Indian diamond renowned for its exceptional clarity and long association with French royalty and the French Crown Jewels.
-
C.
Diamond
Diamond is a precious crystalline form of carbon renowned for its exceptional hardness, brilliance, and use in jewelry and industrial applications.
-
D.
Blue Nile
The Blue Nile is a major river in northeastern Africa that flows from Ethiopia into Sudan, forming a principal tributary of the Nile and playing a crucial role in the region’s agriculture and hydroelectric power.
-
E.
Tiffany Blue
Tiffany Blue is the distinctive light robin’s-egg blue color trademarked and famously used by the luxury jewelry brand Tiffany & Co.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Emeralds Target entity description: Emeralds are precious green gemstones, a variety of the mineral beryl colored by trace amounts of chromium or vanadium, highly valued in jewelry for their rich hue and rarity.
-
A.
Lapis Niger
Lapis Niger is an ancient black stone shrine and inscribed pavement in Rome’s Forum Romanum, traditionally associated with early Roman religious or funerary practices and sometimes linked to the legendary king Romulus.
-
B.
Regent Diamond
The Regent Diamond is a famed 140.64-carat Indian diamond renowned for its exceptional clarity and long association with French royalty and the French Crown Jewels.
-
C.
Diamond
Diamond is a precious crystalline form of carbon renowned for its exceptional hardness, brilliance, and use in jewelry and industrial applications.
-
D.
Blue Nile
The Blue Nile is a major river in northeastern Africa that flows from Ethiopia into Sudan, forming a principal tributary of the Nile and playing a crucial role in the region’s agriculture and hydroelectric power.
-
E.
Tiffany Blue
Tiffany Blue is the distinctive light robin’s-egg blue color trademarked and famously used by the luxury jewelry brand Tiffany & Co.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Gemstone
ⓘ
Precious stone ⓘ Variety of beryl ⓘ |
| associatedAnniversary |
20th wedding anniversary
ⓘ
35th wedding anniversary ⓘ 55th wedding anniversary ⓘ |
| birthstoneFor | May ⓘ |
| chemicalFormula | Be3Al2(SiO3)6 ⓘ |
| clarityCharacteristic | Frequently included ⓘ |
| color | Green ⓘ |
| coloringElement |
Chromium
ⓘ
Vanadium ⓘ |
| commonCut |
Emerald cut
ⓘ
Step cut ⓘ |
| crystalSystem | Hexagonal ⓘ |
| distinguishedFrom |
Aquamarine
ⓘ
Beryl ⓘ
surface form:
Heliodor
Morganite ⓘ |
| hardnessOnMohsScale | 7.5–8 ⓘ |
| historicalAssociation |
Pharaonic Egypt
ⓘ
surface form:
Ancient Egypt
|
| luster | Vitreous ⓘ |
| majorSourceCountry |
Afghanistan
ⓘ
Brazil ⓘ Colombia ⓘ Ethiopia ⓘ Pakistan ⓘ Russia ⓘ Zambia ⓘ Zimbabwe ⓘ |
| marketCategory | Colored gemstone ⓘ |
| memberOf |
Emeralds
self-linksurface differs
ⓘ
surface form:
Beryl family
|
| mineralGroup | Beryl ⓘ |
| opticalPhenomenon | Pleochroism ⓘ |
| pleochroicColors |
Bluish green
ⓘ
Yellowish green ⓘ |
| rarityComparedTo | More rare than diamond of similar size and quality ⓘ |
| refractiveIndex | 1.565–1.602 ⓘ |
| specificGravity | 2.67–2.78 ⓘ |
| symbolism |
Fertility
ⓘ
Love ⓘ Prosperity ⓘ Rebirth ⓘ Wisdom ⓘ |
| transparency | Transparent to translucent ⓘ |
| treatment | Often oil-treated to enhance clarity ⓘ |
| typicalInclusions |
Fractures
ⓘ
Three-phase inclusions ⓘ |
| typicalUse | Jewelry ⓘ |
| valuedFor |
Rarity
ⓘ
Rich green hue ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Emeralds Description of subject: Emeralds are precious green gemstones, a variety of the mineral beryl colored by trace amounts of chromium or vanadium, highly valued in jewelry for their rich hue and rarity.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Diamonds
subject surface form:
Emerald
this entity surface form:
Beryl family