Statements (41)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mineral
|
| gptkbp:acidity |
can contain trace amounts of uranium
|
| gptkbp:associatedWith |
gptkb:sphalerite
chalcopyrite pyrite |
| gptkbp:awards |
metallic
|
| gptkbp:challenges |
2.5 to 3 on Mohs scale
|
| gptkbp:chemicalFormula |
lead sulfide
|
| gptkbp:colors |
gray
colorless to pale yellow |
| gptkbp:dissolved |
insoluble in water
|
| gptkbp:distribution |
7.4 to 7.6 g/cm³
|
| gptkbp:economicActivity |
important for lead production
|
| gptkbp:environmentalImpact |
lead pollution
|
| gptkbp:geologicalFeatures |
formed in sedimentary rocks
|
| gptkbp:historicalSignificance |
used in ancient times for cosmetics
|
| https://www.w3.org/2000/01/rdf-schema#label |
Galena
|
| gptkbp:iceClass |
1112 °C (2034 °F)
|
| gptkbp:isUsedBy |
used in batteries
used in glassmaking used in soldering materials used in radiation shielding used in pigments |
| gptkbp:lighting |
isotropic
|
| gptkbp:locatedIn |
countries_like_the_USA,_Australia,_and_Canada
|
| gptkbp:notableTracks |
the_Broken_Hill_mine_in_Australia
the_Freiberg_district_in_Germany the_Leadville_district_in_Colorado the_Mississippi_Valley_type_deposits the_Tri-State_District |
| gptkbp:numberOfStudents |
smelting
|
| gptkbp:occursAnnually |
often found in hydrothermal veins
|
| gptkbp:productionCompany |
open-pit mining
underground mining |
| gptkbp:rootSystem |
cubic
cubic crystals |
| gptkbp:safetyFeatures |
toxic lead exposure
|
| gptkbp:supplyChain |
silver
zinc |
| gptkbp:transmission |
opaque
|
| gptkbp:uses |
primary ore of lead
|