Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
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
|
https://www.w3.org/2000/01/rdf-schema#label |
Berzelianite
|
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 |
5
|