Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:granite
|
| gptkbp:category |
silicate mineral
|
| gptkbp:chemicalFormula |
(Ce,La,Nd,Y)2FeBe2Si2O10
|
| gptkbp:cleavage |
poor
|
| gptkbp:color |
black
dark brown |
| gptkbp:containsElement |
gptkb:yttrium
iron oxygen silicon beryllium cerium |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:density |
4.0-4.7 g/cm³
|
| gptkbp:discoveredIn |
gptkb:Sweden
1788 |
| gptkbp:fracture |
conchoidal
|
| gptkbp:hardnessMohs |
6.5-7
|
| gptkbp:IMA_symbol |
gptkb:Gad
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Johan_Gadolin
|
| gptkbp:radioactive |
yes
|
| gptkbp:relatedGroup |
nesosilicate
|
| gptkbp:streak |
grayish green
|
| gptkbp:transparency |
translucent to opaque
|
| gptkbp:uses |
source of rare earth elements
|
| gptkbp:bfsParent |
gptkb:gadolinium
gptkb:Scandium |
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
gadolinite
|