|
gptkbp:instanceOf
|
granite
|
|
gptkbp:alsoKnownAs
|
Uraninite
|
|
gptkbp:associatedWith
|
gptkb:Marie_Curie
gptkb:Pierre_Curie
|
|
gptkbp:chemicalFormula
|
gptkb:UO2
|
|
gptkbp:color
|
black
brownish-black
|
|
gptkbp:containsElement
|
gptkb:uranium
gptkb:Oxygen
|
|
gptkbp:containsMineral
|
Oxide mineral
|
|
gptkbp:containsTraceElement
|
gptkb:lead
gptkb:polonium
gptkb:radium
thorium
|
|
gptkbp:crystalSystem
|
isometric
|
|
gptkbp:density
|
~10 g/cm3
|
|
gptkbp:discoveredBy
|
gptkb:Martin_Heinrich_Klaproth
|
|
gptkbp:discoveredIn
|
1789
Joachimsthal, Bohemia
|
|
gptkbp:event
|
gptkb:Canada
gptkb:Czech_Republic
gptkb:Democratic_Republic_of_the_Congo
gptkb:Germany
|
|
gptkbp:hardnessMohs
|
5.5-6.5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pitchblende
|
|
gptkbp:luster
|
submetallic
|
|
gptkbp:namedFor
|
gptkb:Abraham_Gottlob_Werner
|
|
gptkbp:notableFor
|
source of uranium
source of radium
source of polonium
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:radioactivityDiscoveredBy
|
gptkb:Henri_Becquerel
|
|
gptkbp:radioactivityDiscoveryYear
|
1896
|
|
gptkbp:streak
|
brownish black
|
|
gptkbp:usedFor
|
gptkb:nuclear_reactor
uranium extraction
radioactive dating
|
|
gptkbp:bfsParent
|
gptkb:Bruce_Boston
|
|
gptkbp:bfsLayer
|
7
|