|
gptkbp:instanceOf
|
granite
|
|
gptkbp:birthstoneFor
|
April
|
|
gptkbp:chemicalFormula
|
C
|
|
gptkbp:cleavage
|
perfect, octahedral
|
|
gptkbp:color
|
can be black
can be blue
can be brown
can be green
can be pink
can be red
can be yellow
typically colorless
|
|
gptkbp:conflictResource
|
sometimes
|
|
gptkbp:crystalSystem
|
cubic
|
|
gptkbp:density
|
3.5–3.53 g/cm³
|
|
gptkbp:discoveredBy
|
ancient times
|
|
gptkbp:electricalConductivity
|
low
|
|
gptkbp:famousFor
|
gptkb:Hope_Diamond
gptkb:Koh-i-Noor
gptkb:The_Orlov_Diamond
gptkb:The_Regent_Diamond
gptkb:Cullinan_Diamond
|
|
gptkbp:fluorescence
|
sometimes blue
sometimes green
sometimes red
sometimes yellow
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:hardnessMohs
|
10
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Diamonds
|
|
gptkbp:luster
|
adamantine
|
|
gptkbp:magnetType
|
non-magnetic
|
|
gptkbp:mainConstituent
|
carbon
|
|
gptkbp:mainCrystalHabit
|
cubic
dodecahedral
octahedral
|
|
gptkbp:mainMiningMethod
|
underground mining
alluvial mining
marine mining
open-pit mining
|
|
gptkbp:majorCity
|
gptkb:Australia
gptkb:Botswana
gptkb:Canada
gptkb:Democratic_Republic_of_the_Congo
gptkb:Russia
|
|
gptkbp:market
|
gptkb:Alrosa
gptkb:Dominion_Diamond_Mines
gptkb:Rio_Tinto
gptkb:De_Beers
|
|
gptkbp:meltingPoint
|
3550°C (in vacuum)
|
|
gptkbp:opticalDispersion
|
0.044
|
|
gptkbp:radioactive
|
non-radioactive
|
|
gptkbp:refractiveIndex
|
2.417
|
|
gptkbp:regulates
|
gptkb:Kimberley_Process
|
|
gptkbp:solubility
|
insoluble in water and acids
|
|
gptkbp:specificGravity
|
3.52
|
|
gptkbp:symbolizes
|
eternity
strength
purity
|
|
gptkbp:syntheticProduction
|
possible
|
|
gptkbp:syntheticProductionMethod
|
gptkb:Chemical_Vapor_Deposition_(CVD)
gptkb:High_Pressure_High_Temperature_(HPHT)
|
|
gptkbp:thermalConductivity
|
high
|
|
gptkbp:transparency
|
transparent to subtransparent
|
|
gptkbp:usedFor
|
gptkb:jewelry
abrasives
heat sinks
industrial cutting tools
scientific applications
|
|
gptkbp:bfsParent
|
gptkb:Rihanna
gptkb:Royal_Opera_House
|
|
gptkbp:bfsLayer
|
4
|