Statements (29)
Predicate | Object |
---|---|
gptkbp:instanceOf |
granite
|
gptkbp:associatedMinerals |
gptkb:franklinite
gptkb:zincite gptkb:calcite |
gptkbp:category |
silicate mineral
|
gptkbp:chemicalFormula |
Zn2SiO4
|
gptkbp:color |
brown
green white yellow colorless |
gptkbp:crystalSystem |
trigonal
|
gptkbp:discoveredIn |
1830
|
gptkbp:event |
oxidized zinc deposits
|
gptkbp:fluorescence |
bright green
|
gptkbp:hardnessMohs |
5.5
|
https://www.w3.org/2000/01/rdf-schema#label |
Willemite
|
gptkbp:luster |
vitreous
resinous |
gptkbp:namedAfter |
gptkb:Willem_I_of_the_Netherlands
|
gptkbp:notablePlace |
gptkb:Franklin,_New_Jersey,_USA
gptkb:Tsumeb,_Namibia |
gptkbp:specificGravity |
3.9–4.2
|
gptkbp:streak |
white
|
gptkbp:uses |
granite
zinc ore fluorescent mineral displays |
gptkbp:bfsParent |
gptkb:Gem
|
gptkbp:bfsLayer |
6
|