Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
gptkb:chalcopyrite
gptkb:pyrite gptkb:pyrrhotite magnetite |
| gptkbp:chemicalFormula |
(Fe,Ni)9S8
|
| gptkbp:cleavage |
poor
|
| gptkbp:color |
bronze yellow
|
| gptkbp:component |
nickel ores
|
| gptkbp:crystalSystem |
isometric
|
| gptkbp:discoveredBy |
Joseph Barclay Pentland
|
| gptkbp:discoveredIn |
1856
|
| gptkbp:economicImportance |
primary ore of nickel
|
| gptkbp:event |
magmatic sulfide deposits
|
| gptkbp:fracture |
uneven
|
| gptkbp:habit |
massive
disseminated granular |
| gptkbp:hardnessMohs |
3.5–4
|
| https://www.w3.org/2000/01/rdf-schema#label |
pentlandite
|
| gptkbp:IMA_symbol |
Ptd
|
| gptkbp:ironContent |
~30% by weight
|
| gptkbp:luster |
metallic
|
| gptkbp:magnetType |
non-magnetic
|
| gptkbp:namedAfter |
Joseph Barclay Pentland
|
| gptkbp:nickelContent |
~34% by weight
|
| gptkbp:specificGravity |
4.6–5.0
|
| gptkbp:streak |
dark gray
|
| gptkbp:sulfurContent |
~35% by weight
|
| gptkbp:tenacity |
brittle
|
| gptkbp:transparency |
opaque
|
| gptkbp:bfsParent |
gptkb:Allende_meteorite
|
| gptkbp:bfsLayer |
6
|