Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
anglesite
cerussite pyromorphite smithsonite wulfenite limonite |
| gptkbp:category |
oxide mineral
|
| gptkbp:chemicalFormula |
gptkb:PbO2
|
| gptkbp:cleavage |
none
|
| gptkbp:color |
black
dark brown |
| gptkbp:crystalSystem |
tetragonal
|
| gptkbp:Dana_classification |
04.04.01.01
|
| gptkbp:discoveredIn |
1845
|
| gptkbp:event |
oxidized zones of lead ore deposits
|
| gptkbp:fracture |
subconchoidal
|
| gptkbp:habit |
prismatic crystals
massive fibrous coatings |
| gptkbp:hardnessMohs |
5.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
plattnerite
|
| gptkbp:IMA_symbol |
Plt
|
| gptkbp:luster |
adamantine
|
| gptkbp:namedAfter |
gptkb:Karl_Friedrich_Plattner
|
| gptkbp:specificGravity |
8.5-9.6
|
| gptkbp:streak |
brownish black
|
| gptkbp:Strunz_classification |
04.HB.05
|
| gptkbp:symmetry |
P4/mnm
|
| gptkbp:tenacity |
brittle
|
| gptkbp:transparency |
opaque
|
| gptkbp:bfsParent |
gptkb:Tsumeb
|
| gptkbp:bfsLayer |
6
|