|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:chalcopyrite
gptkb:pyrite
gptkb:sphalerite
gptkb:calcite
gptkb:arsenopyrite
quartz
galena
marcasite
|
|
gptkbp:category
|
sulfide mineral
|
|
gptkbp:chemicalFormula
|
gptkb:(Zn,Fe)S
|
|
gptkbp:cleavage
|
[1120] indistinct
|
|
gptkbp:color
|
black
brown
reddish brown
|
|
gptkbp:crystalHabit
|
massive
granular
tabular crystals
pyramidal crystals
|
|
gptkbp:crystalSystem
|
hexagonal
|
|
gptkbp:diaphaneity
|
translucent
|
|
gptkbp:firstDescribed
|
gptkb:Saint-Luc,_Valais,_Switzerland
1861
|
|
gptkbp:fracture
|
uneven
|
|
gptkbp:hardnessMohs
|
3.5-4
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
wurtzite
|
|
gptkbp:IMAStatus
|
approved mineral
|
|
gptkbp:luster
|
resinous
submetallic
|
|
gptkbp:namedAfter
|
gptkb:Charles-Adolphe_Wurtz
|
|
gptkbp:opticalProperties
|
uniaxial (+)
|
|
gptkbp:polymorphOf
|
gptkb:sphalerite
|
|
gptkbp:refractiveIndex
|
nε = 2.378
nω = 2.356
|
|
gptkbp:spaceGroup
|
186
|
|
gptkbp:specificGravity
|
4.09
|
|
gptkbp:streak
|
brown
|
|
gptkbp:structureType
|
wurtzite structure
|
|
gptkbp:symmetry
|
P63mc
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:uses
|
zinc ore
|
|
gptkbp:bfsParent
|
gptkb:gallium_nitride
|
|
gptkbp:bfsLayer
|
5
|