Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:granite
|
| gptkbp:category |
selenide mineral
|
| gptkbp:chemicalFormula |
Cu2Se
|
| gptkbp:cleavage |
none
|
| gptkbp:color |
silver white
|
| gptkbp:containsElement |
copper
selenium |
| gptkbp:crystalSystem |
tetragonal
|
| gptkbp:diaphaneity |
opaque
|
| gptkbp:discoveredBy |
gptkb:Gustav_Rose
|
| gptkbp:discoveredIn |
1850
|
| gptkbp:event |
hydrothermal veins
|
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
2.7
|
| gptkbp:luster |
metallic
|
| gptkbp:namedAfter |
gptkb:Jöns_Jacob_Berzelius
|
| gptkbp:specificGravity |
6.7
|
| gptkbp:streak |
black
|
| gptkbp:symmetry |
P4/nmm
|
| gptkbp:tenacity |
sectile
|
| gptkbp:bfsParent |
gptkb:Jöns_Jacob_Berzelius
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Berzelianite
|