Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:birthstoneFor |
October
|
| gptkbp:category |
granite
|
| gptkbp:chemicalFormula |
SiO2·nH2O
|
| gptkbp:color |
Varies
|
| gptkbp:component |
gptkb:water
gptkb:Silicon_dioxide |
| gptkbp:crystalSystem |
gptkb:Amorphous
|
| gptkbp:distinctiveFeature |
gptkb:Iridescence
gptkb:Common_Opal |
| gptkbp:foundIn |
gptkb:Australia
gptkb:Brazil gptkb:Ethiopia gptkb:Mexico gptkb:United_States |
| gptkbp:fracture |
Conchoidal
|
| gptkbp:hardnessMohs |
5.5–6.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Precious Opal
|
| gptkbp:luster |
Vitreous
|
| gptkbp:mainVarietyOf |
gptkb:jewelry
|
| gptkbp:notableFor |
Play-of-color
|
| gptkbp:refractiveIndex |
1.37–1.52
|
| gptkbp:specificGravity |
1.98–2.25
|
| gptkbp:symbolizes |
Hope
Truth Purity |
| gptkbp:transparency |
Translucent to opaque
|
| gptkbp:usedFor |
gptkb:jewelry
Ornamental purposes |
| gptkbp:bfsParent |
gptkb:Andamooka_Opal
gptkb:Australian_Opals |
| gptkbp:bfsLayer |
7
|