Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:asbestosType |
crocidolite
|
| gptkbp:category |
gptkb:amphibole
|
| gptkbp:chemicalFormula |
Na2(Fe2+3Fe3+2)Si8O22(OH)2
|
| gptkbp:cleavage |
prismatic
|
| gptkbp:color |
black
blue |
| gptkbp:containsElement |
hydrogen
iron oxygen sodium silicon |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:density |
3.28–3.44 g/cm³
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:hardnessMohs |
5.5–6
|
| https://www.w3.org/2000/01/rdf-schema#label |
riebeckite
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Emil_Riebeck
|
| gptkbp:opticalProperties |
biaxial (-)
|
| gptkbp:radioactive |
non-radioactive
|
| gptkbp:riskFactor |
asbestos-related health risks
|
| gptkbp:streak |
bluish-gray
|
| gptkbp:uses |
industrial asbestos (crocidolite)
|
| gptkbp:bfsParent |
gptkb:amphibole
|
| gptkbp:bfsLayer |
6
|