Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
granite
|
gptkbp:birthstoneFor |
September
|
gptkbp:chemicalFormula |
Al2O3
|
gptkbp:clarity |
transparent
|
gptkbp:color |
pink-orange
|
gptkbp:containsMineral |
corundum
|
gptkbp:crystalSystem |
trigonal
|
gptkbp:etymology |
gptkb:Sinhalese_'padmaraga'_(lotus_blossom_color)
|
gptkbp:hardnessMohs |
9
|
https://www.w3.org/2000/01/rdf-schema#label |
Padparadscha
|
gptkbp:luster |
vitreous
|
gptkbp:market |
highly prized
|
gptkbp:origin |
gptkb:Madagascar
gptkb:Sri_Lanka gptkb:Tanzania |
gptkbp:pleochroism |
distinct
|
gptkbp:refractiveIndex |
1.76–1.77
|
gptkbp:treatment |
heat treatment
beryllium diffusion |
gptkbp:type |
gptkb:jewelry
|
gptkbp:valuation |
rare
|
gptkbp:bfsParent |
gptkb:Land_of_the_Lustrous
|
gptkbp:bfsLayer |
6
|