Ailsa Craig Common Green granite
E901451
Ailsa Craig Common Green granite is a distinctive, fine-grained greenish granite from the Scottish island of Ailsa Craig, renowned as a premium material for manufacturing high-quality curling stones.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ailsa Craig Common Green granite canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11052978 — 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: Ailsa Craig Common Green granite Context triple: [Ailsa Craig, hasRockType, Ailsa Craig Common Green granite]
-
A.
Fairfax Stone
Fairfax Stone is a historic boundary marker in West Virginia that denotes the traditional source of the North Branch of the Potomac River and once defined colonial land grants.
-
B.
Kirkstone rock
Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
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C.
Wallace sandstone
Wallace sandstone is a high-quality building stone from Wallace, Nova Scotia, historically prized for its durability and distinctive appearance in construction.
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D.
Hallowell granite
Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
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E.
Kentish ragstone
Kentish ragstone is a hard, grey limestone from Kent, England, historically quarried for major building works including many medieval fortifications and churches.
- 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: Ailsa Craig Common Green granite Target entity description: Ailsa Craig Common Green granite is a distinctive, fine-grained greenish granite from the Scottish island of Ailsa Craig, renowned as a premium material for manufacturing high-quality curling stones.
-
A.
Fairfax Stone
Fairfax Stone is a historic boundary marker in West Virginia that denotes the traditional source of the North Branch of the Potomac River and once defined colonial land grants.
-
B.
Kirkstone rock
Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
-
C.
Wallace sandstone
Wallace sandstone is a high-quality building stone from Wallace, Nova Scotia, historically prized for its durability and distinctive appearance in construction.
-
D.
Hallowell granite
Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
-
E.
Kentish ragstone
Kentish ragstone is a hard, grey limestone from Kent, England, historically quarried for major building works including many medieval fortifications and churches.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
curling stone material
ⓘ
granite ⓘ igneous rock ⓘ |
| associatedIndustry | curling stone manufacturing ⓘ |
| color | greenish ⓘ |
| commercialClassification |
dimension stone
ⓘ
specialty sporting stone material ⓘ |
| countryOfOrigin | Scotland ⓘ |
| distinguishedFrom | Ailsa Craig Blue Hone granite ⓘ |
| exportedForUseIn | international curling competitions ⓘ |
| formationProcess | intrusive igneous activity ⓘ |
| foundOnIsland |
Ailsa Craig, Firth of Clyde
ⓘ
linked to:
Ailsa Craig
|
| geologicAge | Palaeogene ⓘ |
| grainSize | fine-grained ⓘ |
| hasComponent |
feldspar
ⓘ
mafic minerals ⓘ mica ⓘ quartz ⓘ |
| isSubtypeOf | Ailsa Craig granite ⓘ |
| locatedInGeologicFormation | Ailsa Craig pluton ⓘ |
| materialProperty |
high density
ⓘ
impact resistance ⓘ low porosity ⓘ low water absorption ⓘ uniform texture ⓘ wear resistance ⓘ |
| notableUseInSport | curling ⓘ |
| placeOfOrigin | Ailsa Craig ⓘ |
| quarriedAt | Ailsa Craig ⓘ |
| quarryingCountry | United Kingdom ⓘ |
| texture | even-grained ⓘ |
| usedFor |
curling stones
ⓘ
high-quality curling stones ⓘ |
| valuedFor |
consistent running surface on ice
ⓘ
durability in curling play ⓘ |
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: Ailsa Craig Common Green granite Description of subject: Ailsa Craig Common Green granite is a distinctive, fine-grained greenish granite from the Scottish island of Ailsa Craig, renowned as a premium material for manufacturing high-quality curling stones.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.