Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:birefringence |
0.008
|
| gptkbp:birthstoneFor |
June
|
| gptkbp:category |
oxide mineral
|
| gptkbp:chemicalFormula |
BeAl2O4
|
| gptkbp:cleavage |
distinct
|
| gptkbp:color |
green
red green in daylight, red in incandescent light |
| gptkbp:containsMineral |
gptkb:chrysoberyl
|
| gptkbp:countryOfCitizenship |
gptkb:Brazil
gptkb:Madagascar gptkb:Russia gptkb:Sri_Lanka gptkb:Tanzania |
| gptkbp:crystalSystem |
orthorhombic
|
| gptkbp:discoveredIn |
gptkb:Russia
1830 |
| gptkbp:fracture |
conchoidal
|
| gptkbp:hardnessMohs |
8.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Aleksandrit
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Alexander_II_of_Russia
|
| gptkbp:pleochroism |
strong
|
| gptkbp:refractiveIndex |
1.746–1.755
|
| gptkbp:specificGravity |
3.5–3.84
|
| gptkbp:streak |
white
|
| gptkbp:symmetry |
Pbnm
|
| gptkbp:transparency |
transparent to translucent
|
| gptkbp:uses |
gptkb:jewelry
gptkb:laser |
| gptkbp:bfsParent |
gptkb:Project_12700_minesweeper
|
| gptkbp:bfsLayer |
7
|