Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
cyclosilicate
|
| gptkbp:chemicalFormula |
BaTiSi3O9
|
| gptkbp:cleavage |
poor
|
| gptkbp:color |
blue
white colorless |
| gptkbp:crystalSystem |
hexagonal
|
| gptkbp:discoveredBy |
gptkb:James_M._Couch
|
| gptkbp:discoveredIn |
1907
|
| gptkbp:fluorescence |
blue under UV light
|
| gptkbp:foundIn |
gptkb:Arkansas
gptkb:California gptkb:Japan |
| gptkbp:fracture |
conchoidal
|
| gptkbp:hardnessMohs |
6-6.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
benitoite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:San_Benito_County
|
| gptkbp:officialGemstoneOf |
gptkb:California
|
| gptkbp:refractiveIndex |
1.756–1.804
|
| gptkbp:specificGravity |
3.65
|
| gptkbp:transparency |
translucent
transparent |
| gptkbp:uses |
granite
|
| gptkbp:bfsParent |
gptkb:Gem_and_Mineral_Hall
gptkb:neptunite |
| gptkbp:bfsLayer |
6
|