Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:alsoKnownAs |
gptkb:uraninite
|
| gptkbp:chemicalFormula |
gptkb:UO2
|
| gptkbp:color |
black
brownish-black |
| gptkbp:containsElement |
gptkb:uranium
gptkb:lead gptkb:radium |
| gptkbp:crystalSystem |
isometric
|
| gptkbp:density |
~10 g/cm3
|
| gptkbp:discoveredBy |
gptkb:Martin_Heinrich_Klaproth
|
| gptkbp:discoveredIn |
1789
|
| gptkbp:hardnessMohs |
5-6
|
| https://www.w3.org/2000/01/rdf-schema#label |
pitchblende
|
| gptkbp:luster |
submetallic
|
| gptkbp:notableFor |
discovery of radioactivity
|
| gptkbp:occurredIn |
gptkb:Canada
gptkb:Czech_Republic gptkb:Democratic_Republic_of_the_Congo gptkb:Germany |
| gptkbp:radioactive |
true
|
| gptkbp:streak |
brownish black
|
| gptkbp:studiedBy |
gptkb:Marie_Curie
gptkb:Pierre_Curie |
| gptkbp:usedFor |
source of uranium
source of radium |
| gptkbp:bfsParent |
gptkb:uraninite
|
| gptkbp:bfsLayer |
6
|