|
gptkbp:instance_of
|
gptkb:Iron_Age
|
|
gptkbp:appearance
|
perfect
|
|
gptkbp:characteristic
|
isotropic
|
|
gptkbp:chemical_formula
|
Zn S
|
|
gptkbp:color
|
gptkb:black
gptkb:green
gptkb:yellow
brown
|
|
gptkbp:difficulty
|
3.5-4
|
|
gptkbp:discovery
|
open-pit mining
underground mining
|
|
gptkbp:environmental_impact
|
water pollution
land degradation
biodiversity loss
acid mine drainage
heavy metal contamination
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Sphalerite
|
|
gptkbp:is_found_in
|
gptkb:Australia
gptkb:Canada
gptkb:China
gptkb:Germany
gptkb:Mexico
gptkb:Peru
gptkb:South_Africa
gptkb:Spain
gptkb:USA
|
|
gptkbp:is_visible_from
|
transparent
translucent
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:notable_artifact
|
gptkb:granite
chalcopyrite
dolomite
calcite
galena
pyrite
barite
fluorite
sphene
|
|
gptkbp:occurs_in
|
sedimentary rocks
metamorphic rocks
hydrothermal veins
|
|
gptkbp:structure
|
cubic
|
|
gptkbp:surface
|
3.9-4.1
|
|
gptkbp:uses
|
gems
copper extraction
zinc ore
|
|
gptkbp:varieties
|
zinc blende
brown blende
ruby blende
yellow blende
black jack
green blende
white blende
|
|
gptkbp:bfsParent
|
gptkb:candy
gptkb:Galena
|
|
gptkbp:bfsLayer
|
5
|