Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
feldspar
|
| gptkbp:chemicalFormula |
(Ca,Na)[Al(Al,Si)Si2O8]
|
| gptkbp:cleavage |
perfect on (001)
|
| gptkbp:color |
gray
white yellow colorless |
| gptkbp:crystalSystem |
triclinic
|
| gptkbp:discoveredIn |
gptkb:Bytown,_Canada
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:firstDescribed |
1836
|
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
6–6.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bytownite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
Bytown (now Ottawa)
|
| gptkbp:refractiveIndex |
1.563–1.572
|
| gptkbp:relatedGroup |
plagioclase
|
| gptkbp:solidSolutionSeriesWith |
anorthite
labradorite |
| gptkbp:specificGravity |
2.74–2.75
|
| gptkbp:streak |
white
|
| gptkbp:bfsParent |
gptkb:Feldspar
|
| gptkbp:bfsLayer |
6
|