Properties (42)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:item
|
| gptkbp:associatedWith |
love
creativity introspection spirituality transformation harmony luck balance self-esteem wealth joy |
| gptkbp:birthYear |
June
|
| gptkbp:challenges |
8.5 on the Mohs scale
|
| gptkbp:chemicalFormula |
BeAl2O4
|
| gptkbp:colorOptions |
changes color under different lighting
|
| gptkbp:colors |
red
green |
| gptkbp:designedBy |
gptkb:Asia
gptkb:Russia gptkb:South_America Africa |
| gptkbp:famousFor |
historical significance
color change high price rarity unique beauty |
| https://www.w3.org/2000/01/rdf-schema#label |
Alexandrite
|
| gptkbp:impact |
heat treatment
irradiation oil treatment |
| gptkbp:lighting |
pleochroism
double refraction high dispersion |
| gptkbp:locatedIn |
gptkb:Brazil
gptkb:Russia gptkb:Sri_Lanka 1830s |
| gptkbp:namedAfter |
gptkb:Alexandria,_Egypt
|
| gptkbp:productionCompany |
created in laboratories
|
| gptkbp:usedIn |
jewelry
|
| gptkbp:values |
highly valuable
|