Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb: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
|
| 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 |
gptkb:granite
collector's mineral |
| gptkbp:bfsParent |
gptkb:Feldspar
|
| gptkbp:bfsLayer |
6
|
| http://www.w3.org/2000/01/rdf-schema#label |
Andesine
|