|
gptkbp:instance_of
|
gptkb:Iron_Age
|
|
gptkbp:appearance
|
gptkb:none
|
|
gptkbp:characteristic
|
birefringent
|
|
gptkbp:color
|
gptkb:green
gptkb:yellow
brown
|
|
gptkbp:composed_of
|
Be Al2 O4
|
|
gptkbp:difficulty
|
8.5 on Mohs scale
|
|
gptkbp:discovery
|
ancient times
|
|
gptkbp:dissolved
|
insoluble in water
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
chrysoberyl
|
|
gptkbp:is_found_in
|
gptkb:Brazil
gptkb:Russia
gptkb:United_States
gptkb:Sri_Lanka
gptkb:Madagascar
|
|
gptkbp:is_visible_from
|
transparent
|
|
gptkbp:jewels
|
gptkb:August
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:melting_point
|
2050 ° C
|
|
gptkbp:notable_artifact
|
gptkb:granite
gptkb:concert_tour
topaz
|
|
gptkbp:notable_locations
|
gptkb:Kashmir
gptkb:Maine
gptkb:Mogok_Valley
Mogok
Pailin
|
|
gptkbp:replaced_by
|
conchoidal
|
|
gptkbp:structure
|
orthorhombic
|
|
gptkbp:surface
|
3.68 -3.73
|
|
gptkbp:symbolism
|
gptkb:wealth
prosperity
good fortune
|
|
gptkbp:treatment
|
heat treatment
irradiation
oil treatment
|
|
gptkbp:uses
|
gptkb:jewelry
industrial applications
|
|
gptkbp:varieties
|
gptkb:alexandrite
cat's eye
|
|
gptkbp:bfsParent
|
gptkb:Alexandrite_gemstone
|
|
gptkbp:bfsLayer
|
6
|