Statements (34)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
gptkb:hausmannite
gptkb:manganite gptkb:pyrolusite gptkb:rhodochrosite gptkb:spessartine quartz |
| gptkbp:category |
oxide mineral
silicate mineral manganese mineral |
| gptkbp:chemicalFormula |
Mn2+Mn3+6[O8SiO4]
|
| gptkbp:cleavage |
none
|
| gptkbp:color |
brownish black
steel-gray |
| gptkbp:crystalSystem |
tetragonal
|
| gptkbp:discoveredBy |
1827
|
| gptkbp:event |
hydrothermal veins
metamorphic manganese deposits |
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
6 - 6.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
braunite
|
| gptkbp:IMA_symbol |
Brt
|
| gptkbp:luster |
submetallic
|
| gptkbp:major_locality |
gptkb:India
gptkb:Italy gptkb:Ilfeld,_Germany gptkb:Kalahari_Manganese_Field,_South_Africa |
| gptkbp:namedAfter |
gptkb:Wilhelm_von_Braun
|
| gptkbp:specificGravity |
4.72 - 4.83
|
| gptkbp:streak |
brownish black
|
| gptkbp:transparency |
opaque
|
| gptkbp:uses |
manganese ore
|
| gptkbp:bfsParent |
gptkb:Appalachian_region
|
| gptkbp:bfsLayer |
5
|