|
gptkbp:instanceOf
|
granite
|
|
gptkbp:allotropes
|
carbon
|
|
gptkbp:birthstoneFor
|
April
|
|
gptkbp:chemicalFormula
|
C
|
|
gptkbp:cleavage
|
perfect, octahedral
|
|
gptkbp:color
|
can be blue
can be brown
can be green
can be pink
can be red
can be yellow
typically colorless
can be gray
can be orange
can be purple
|
|
gptkbp:crystalSystem
|
cubic
|
|
gptkbp:discoveredBy
|
ancient times
|
|
gptkbp:electricalConductivity
|
very low
|
|
gptkbp:etymology
|
from Greek 'adamas', meaning invincible
|
|
gptkbp:famousDiamonds
|
gptkb:Hope_Diamond
gptkb:Koh-i-Noor
gptkb:Dresden_Green_Diamond
gptkb:Cullinan_Diamond
gptkb:Orlov_Diamond
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:hardnessMohs
|
10
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Diamant
|
|
gptkbp:luster
|
adamantine
|
|
gptkbp:mainProducer
|
gptkb:Australia
gptkb:Botswana
gptkb:Canada
gptkb:Democratic_Republic_of_the_Congo
gptkb:Russia
|
|
gptkbp:meltingPoint
|
sublimes at ~3550°C
|
|
gptkbp:refractiveIndex
|
2.417
|
|
gptkbp:relatedTo
|
graphite
fullerene
|
|
gptkbp:specificGravity
|
3.52
|
|
gptkbp:symbol
|
♦
|
|
gptkbp:symbolizes
|
eternity
love
strength
purity
|
|
gptkbp:thermalConductivity
|
high
|
|
gptkbp:transparency
|
transparent to subtransparent
|
|
gptkbp:uses
|
gptkb:jewelry
abrasives
industrial cutting
|
|
gptkbp:bfsParent
|
gptkb:Alan_R._Moon
|
|
gptkbp:bfsLayer
|
5
|