Erzurum stone
E446337
Erzurum stone is a type of jet-like black gemstone traditionally mined and crafted in the Oltu district of Erzurum, Turkey, renowned for its use in jewelry and prayer beads.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Erzurum Oltu taşı | 1 |
| Erzurum stone canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4496600 — 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: Erzurum stone Context triple: [Oltu, stoneAlternativeName, Erzurum stone]
-
A.
Erzurum Castle
Erzurum Castle is a historic fortress in the city of Erzurum in eastern Turkey, notable for its strategic hilltop location and centuries-old defensive architecture.
-
B.
Meleke stone
Meleke stone is a fine, light-colored limestone historically prized as a primary building material in Jerusalem and other parts of the Levant.
-
C.
Şereflikoçhisar
Şereflikoçhisar is a district and town in central Turkey known for its proximity to the vast Tuz Gölü (Salt Lake) and its salt production.
-
D.
Sancaktepe
Sancaktepe is a rapidly developing residential district located on the Asian side of Istanbul, Turkey.
-
E.
Anıttepe
Anıttepe is a central hill and neighborhood in Ankara, Turkey, best known as the site of Anıtkabir, the mausoleum of Mustafa Kemal Atatürk.
- 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: Erzurum stone Target entity description: Erzurum stone is a type of jet-like black gemstone traditionally mined and crafted in the Oltu district of Erzurum, Turkey, renowned for its use in jewelry and prayer beads.
-
A.
Erzurum Castle
Erzurum Castle is a historic fortress in the city of Erzurum in eastern Turkey, notable for its strategic hilltop location and centuries-old defensive architecture.
-
B.
Meleke stone
Meleke stone is a fine, light-colored limestone historically prized as a primary building material in Jerusalem and other parts of the Levant.
-
C.
Şereflikoçhisar
Şereflikoçhisar is a district and town in central Turkey known for its proximity to the vast Tuz Gölü (Salt Lake) and its salt production.
-
D.
Sancaktepe
Sancaktepe is a rapidly developing residential district located on the Asian side of Istanbul, Turkey.
-
E.
Anıttepe
Anıttepe is a central hill and neighborhood in Ankara, Turkey, best known as the site of Anıtkabir, the mausoleum of Mustafa Kemal Atatürk.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
gemstone
ⓘ
ornamental stone ⓘ regional product ⓘ |
| associatedWith |
Islamic prayer culture
ⓘ
Oltu handicrafts ⓘ Turkish craftsmanship ⓘ |
| belongsToCategory |
Turkish gemstones
ⓘ
organic gemstones ⓘ regional handicraft materials ⓘ |
| color | black ⓘ |
| countryOfOrigin | Turkey ⓘ |
| culturalSignificance | local symbol of Erzurum ⓘ |
| economicRole | local source of income in Oltu ⓘ |
| foundIn |
Erzurum
ⓘ
Oltu district ⓘ Turkey ⓘ |
| hasProperty |
easily carved
ⓘ
lightweight ⓘ organic origin ⓘ polishable to high gloss ⓘ |
| historicalUse | traditional Ottoman-era jewelry ⓘ |
| languageOfTradeName | Turkish ⓘ |
| marketedAs | jet-like black stone ⓘ |
| materialType | lignite-derived gemstone ⓘ |
| minedIn | Erzurum Province ⓘ |
| namedAfter | Erzurum ⓘ |
| processingMethod |
hand-carved
ⓘ
hand-polished ⓘ |
| regionalName | Oltu stone ⓘ |
| similarTo | jet ⓘ |
| texture | smooth when polished ⓘ |
| tradeName |
Oltu taşı
ⓘ
linked to:
Oltu
|
| traditionalCraftCenter | Oltu ⓘ |
| typicalColor | deep black ⓘ |
| typicalProduct |
bracelets
ⓘ
brooches ⓘ necklaces ⓘ prayer bead strings ⓘ rings ⓘ |
| usedFor |
decorative carvings
ⓘ
jewelry ⓘ ornamental objects ⓘ prayer beads ⓘ rosaries ⓘ |
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: Erzurum stone Description of subject: Erzurum stone is a type of jet-like black gemstone traditionally mined and crafted in the Oltu district of Erzurum, Turkey, renowned for its use in jewelry and prayer beads.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Erzurum stone