Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
feldspar
|
| gptkbp:chemicalFormula |
(Na,Ca)(Si,Al)4O8
|
| gptkbp:cleavage |
perfect on {001}
|
| gptkbp:color |
gray
greenish reddish white |
| gptkbp:crystalSystem |
triclinic
|
| gptkbp:discoveredBy |
gptkb:August_Breithaupt
|
| gptkbp:discoveredIn |
1826
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
6–6.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
oligoclase
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
Greek words for 'little' and 'fracture'
|
| gptkbp:relatedGroup |
gptkb:plagioclase_feldspar
|
| gptkbp:solidSolutionSeriesWith |
gptkb:albite
andesine |
| gptkbp:specificGravity |
2.62–2.65
|
| gptkbp:streak |
white
|
| gptkbp:uses |
granite
industrial mineral |
| gptkbp:bfsParent |
gptkb:plagioclase_feldspar
gptkb:Oregon_sunstone |
| gptkbp:bfsLayer |
6
|