Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
cyclosilicate
|
| gptkbp:chemicalFormula |
(K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30
|
| gptkbp:cleavage |
none
|
| gptkbp:color |
black
blue gray |
| gptkbp:crystalSystem |
hexagonal
|
| gptkbp:discoveredIn |
gptkb:Japan
|
| gptkbp:fracture |
conchoidal
|
| gptkbp:hardnessMohs |
5.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Osumilite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Osumi_Peninsula
|
| gptkbp:specificGravity |
2.6–2.7
|
| gptkbp:streak |
gray
|
| gptkbp:Strunz_classification |
9.CM.05
|
| gptkbp:symmetry |
P6/mcc
|
| gptkbp:transparency |
translucent
transparent |
| gptkbp:bfsParent |
gptkb:Cyclosilicates
|
| gptkbp:bfsLayer |
7
|