|
gptkbp:instance_of
|
gptkb:jewelry
|
|
gptkbp:associated_with
|
gptkb:wealth
gptkb:balance
gptkb:spiritual_growth
love
creativity
introspection
self-esteem
good luck
|
|
gptkbp:characteristic
|
pleochroism
translucent to opaque
|
|
gptkbp:color_change_effect
|
green in daylight
red under incandescent light
|
|
gptkbp:composed_of
|
Be Al2 O4
|
|
gptkbp:difficulty
|
8.5 on Mohs scale
|
|
gptkbp:discovered_by
|
gptkb:19th_century
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
natural Alexandrite
|
|
gptkbp:is_a
|
variety of chrysoberyl
|
|
gptkbp:is_found_in
|
gptkb:Brazil
gptkb:Russia
gptkb:Sri_Lanka
|
|
gptkbp:jewels
|
gptkb:June
|
|
gptkbp:mining_locations
|
gptkb:Afghanistan
gptkb:Australia
gptkb:India
gptkb:Myanmar
gptkb:Tanzania
gptkb:United_States
gptkb:Vietnam
gptkb:Madagascar
East Africa
|
|
gptkbp:notable_examples
|
gptkb:African_Alexandrite
gptkb:Brazilian_Alexandrite
gptkb:Mogok_Alexandrite
gptkb:Russian_Alexandrite
gptkb:Sri_Lankan_Alexandrite
|
|
gptkbp:synthetic_counterpart
|
gptkb:synthetic_Alexandrite
|
|
gptkbp:treatment
|
heat treatment
irradiation
oil treatment
glass filling
none for natural stones
|
|
gptkbp:used_in
|
gptkb:jewelry
|
|
gptkbp:values
|
highly valued
|
|
gptkbp:bfsParent
|
gptkb:Synthetic_Alexandrite
|
|
gptkbp:bfsLayer
|
6
|