Statements (33)
Predicate | Object |
---|---|
gptkbp:instanceOf |
granite
|
gptkbp:associatedMinerals |
gptkb:braunite
gptkb:manganite gptkb:pyrolusite gptkb:spessartine gptkb:jacobsite hematite |
gptkbp:category |
oxide mineral
|
gptkbp:chemicalFormula |
Mn3O4
|
gptkbp:cleavage |
distinct on {001}
|
gptkbp:color |
brownish black
steel gray |
gptkbp:component |
oxygen
manganese |
gptkbp:crystalSystem |
tetragonal
|
gptkbp:Dana_classification |
4.3.7.1
|
gptkbp:discoveredIn |
1813
|
gptkbp:event |
hydrothermal veins
metamorphosed manganese deposits |
gptkbp:fracture |
uneven
|
gptkbp:hardnessMohs |
5.5
|
https://www.w3.org/2000/01/rdf-schema#label |
hausmannite
|
gptkbp:IMA_symbol |
gptkb:Hau
|
gptkbp:location |
Oehrenstock, Ilmenau, Thuringia, Germany
|
gptkbp:luster |
metallic
|
gptkbp:namedAfter |
gptkb:Johann_Friedrich_Ludwig_Hausmann
|
gptkbp:specificGravity |
4.7 - 4.8
|
gptkbp:streak |
brownish black
|
gptkbp:Strunz_classification |
4.BB.05
|
gptkbp:symmetry |
I41/amd
|
gptkbp:tenacity |
brittle
|
gptkbp:bfsParent |
gptkb:Appalachian_region
|
gptkbp:bfsLayer |
5
|