Chlorastrolite
E763160
Chlorastrolite is a green, star-patterned variety of pumpellyite best known as a semi-precious gemstone found in the Lake Superior region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chlorastrolite canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8873175 — 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: Chlorastrolite Context triple: [Michigan, hasStateGem, Chlorastrolite]
-
A.
Combarbalite
Combarbalite is a distinctive semi-precious ornamental stone, prized for its varied colors and patterns, that is uniquely found and traditionally worked in the Combarbalá area of Chile.
-
B.
Peridot
Peridot is a small, green, technologically skilled Gem from the animated series "Steven Universe," known for her character arc from antagonistic Homeworld technician to quirky, loyal member of the Crystal Gems.
-
C.
Morganite
Morganite is a pink to peach-colored gemstone variety of beryl, prized for its delicate pastel hues and brilliance in jewelry.
-
D.
Lapis Lazuli
Lapis Lazuli is a powerful yet emotionally complex Gem character in the animated series "Steven Universe," known for her hydrokinesis and turbulent relationship with other Gems.
-
E.
Zipolite
Zipolite is a small, laid-back beach town on Mexico’s Oaxacan coast, known for its clothing-optional beach, bohemian vibe, and strong Pacific surf.
- 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: Chlorastrolite Target entity description: Chlorastrolite is a green, star-patterned variety of pumpellyite best known as a semi-precious gemstone found in the Lake Superior region.
-
A.
Combarbalite
Combarbalite is a distinctive semi-precious ornamental stone, prized for its varied colors and patterns, that is uniquely found and traditionally worked in the Combarbalá area of Chile.
-
B.
Peridot
Peridot is a small, green, technologically skilled Gem from the animated series "Steven Universe," known for her character arc from antagonistic Homeworld technician to quirky, loyal member of the Crystal Gems.
-
C.
Morganite
Morganite is a pink to peach-colored gemstone variety of beryl, prized for its delicate pastel hues and brilliance in jewelry.
-
D.
Lapis Lazuli
Lapis Lazuli is a powerful yet emotionally complex Gem character in the animated series "Steven Universe," known for her hydrokinesis and turbulent relationship with other Gems.
-
E.
Zipolite
Zipolite is a small, laid-back beach town on Mexico’s Oaxacan coast, known for its clothing-optional beach, bohemian vibe, and strong Pacific surf.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
mineraloid variety
ⓘ
semi-precious gemstone ⓘ variety of pumpellyite ⓘ |
| associatedWith |
amygdaloidal basalt
ⓘ
metamorphosed basalt ⓘ |
| chemicalFormula | Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2·H2O ⓘ |
| color |
bluish-green
ⓘ
green ⓘ |
| containsElement |
aluminum
ⓘ
calcium ⓘ hydrogen ⓘ iron ⓘ magnesium ⓘ oxygen ⓘ silicon ⓘ |
| formationEnvironment |
hydrothermal alteration of basalt
ⓘ
low-grade metamorphic ⓘ |
| foundIn |
beach pebbles of Lake Superior
ⓘ
vesicles in basalt ⓘ |
| fracture | uneven ⓘ |
| hardnessMohs | 5.5–6 ⓘ |
| hasPattern |
star pattern
ⓘ
stellate pattern ⓘ turtleback pattern ⓘ |
| luster |
silky
ⓘ
vitreous ⓘ |
| mineralGroup | pumpellyite group ⓘ |
| nickname |
greenstone
ⓘ
turtleback stone ⓘ |
| occursIn |
Copper Country, Michigan, USA
ⓘ
linked to:
Copper Country region of Michigan
Isle Royale, Michigan, USA ⓘ
linked to:
Isle Royale
Keweenaw Peninsula, Michigan, USA ⓘ
linked to:
Keweenaw Peninsula
Lake Superior region ⓘ
linked to:
North Shore of Lake Superior
|
| opticalProperty |
chatoyancy-like effect
ⓘ
radial fibrous structure ⓘ |
| rarity | relatively rare ⓘ |
| specificGravity | 3.2–3.4 ⓘ |
| stateGem | Michigan ⓘ |
| stateGemDesignationYear | 1972 ⓘ |
| system | monoclinic ⓘ |
| tenacity | tough ⓘ |
| transparency |
opaque
ⓘ
translucent ⓘ |
| typicalCut | cabochon ⓘ |
| usedAs | gemstone ⓘ |
| usedFor |
cabochons
ⓘ
jewelry ⓘ |
| valueFactor |
intensity of green color
ⓘ
sharpness of star pattern ⓘ |
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: Chlorastrolite Description of subject: Chlorastrolite is a green, star-patterned variety of pumpellyite best known as a semi-precious gemstone found in the Lake Superior region.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.