Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:category |
sulfide mineral
|
| gptkbp:chemicalFormula |
IrSbS
|
| gptkbp:color |
gray
|
| gptkbp:containsElement |
gptkb:sulfur
antimony iridium |
| gptkbp:crystal_habit |
anhedral grains
|
| gptkbp:crystalSystem |
trigonal
|
| gptkbp:diaphaneity |
opaque
|
| gptkbp:discoveredBy |
1973
|
| gptkbp:first_described_from |
Chocaya mine, Bolivia
|
| gptkbp:hardnessMohs |
5.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Niggliite
|
| gptkbp:IMA_symbol |
Ngg
|
| gptkbp:luster |
metallic
|
| gptkbp:namedAfter |
gptkb:Paul_Niggli
|
| gptkbp:specificGravity |
8.5
|
| gptkbp:bfsParent |
gptkb:Paul_Niggli
|
| gptkbp:bfsLayer |
7
|