Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
gptkb:amphibole
|
| gptkbp:chemicalFormula |
NaCa2(Mg4Al)(Si6Al2)O22(OH)2
|
| gptkbp:cleavage |
perfect on [110]
|
| gptkbp:color |
black
brown dark green |
| gptkbp:containsElement |
hydrogen
oxygen aluminum calcium magnesium sodium silicon |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:firstDescribed |
1814
|
| gptkbp:hardnessMohs |
5–6
|
| https://www.w3.org/2000/01/rdf-schema#label |
pargasite
|
| gptkbp:IMA_symbol |
gptkb:Prg
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Pargas,_Finland
|
| gptkbp:specificGravity |
3.0–3.1
|
| gptkbp:streak |
white
|
| gptkbp:symmetry |
C2/m
|
| gptkbp:bfsParent |
gptkb:amphibole
|
| gptkbp:bfsLayer |
6
|