Statements (31)
Predicate | Object |
---|---|
gptkbp:instanceOf |
granite
|
gptkbp:birefringence |
0.008–0.010
|
gptkbp:category |
feldspar
|
gptkbp:chemicalFormula |
(Ca,Na)(Al,Si)4O8
|
gptkbp:cleavage |
perfect on {001}
|
gptkbp:color |
gray
green red white yellow |
gptkbp:crystalSystem |
triclinic
|
gptkbp:discoveredBy |
1841
|
gptkbp:fracture |
uneven
|
gptkbp:hardnessMohs |
6–6.5
|
https://www.w3.org/2000/01/rdf-schema#label |
Andesine
|
gptkbp:IMAStatus |
approved mineral
|
gptkbp:luster |
vitreous
|
gptkbp:namedAfter |
gptkb:Andes_mountains
|
gptkbp:opticalProperties |
biaxial (+)
|
gptkbp:refractiveIndex |
1.543–1.553
|
gptkbp:relatedGroup |
gptkb:plagioclase_feldspar
|
gptkbp:solidSolutionSeriesWith |
gptkb:albite
anorthite |
gptkbp:specificGravity |
2.66–2.69
|
gptkbp:streak |
white
|
gptkbp:symmetry |
triclinic pinacoidal
|
gptkbp:transparency |
transparent to translucent
|
gptkbp:uses |
granite
collector's mineral |
gptkbp:bfsParent |
gptkb:Feldspar
|
gptkbp:bfsLayer |
6
|