Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:granite
|
| gptkbp:associatedMinerals |
gptkb:Quartz
gptkb:Diopside gptkb:Wollastonite gptkb:granite |
| gptkbp:category |
Inosilicate
|
| gptkbp:chemicalFormula |
CaFeSi2O6
|
| gptkbp:cleavage |
Distinct
|
| gptkbp:color |
Black
Dark green Brownish green |
| gptkbp:crystalSystem |
Monoclinic
|
| gptkbp:discoveredIn |
gptkb:Sweden
1819 |
| gptkbp:fracture |
Uneven
|
| gptkbp:hardnessMohs |
5.5
|
| gptkbp:IMA_symbol |
Hed
|
| gptkbp:luster |
Vitreous
|
| gptkbp:namedAfter |
gptkb:M._A._Hedenberg
|
| gptkbp:relatedGroup |
gptkb:Pyroxene
|
| gptkbp:specificGravity |
3.9–4.0
|
| gptkbp:streak |
Grayish green
|
| gptkbp:symmetry |
C2/c
|
| gptkbp:systematicName |
Calcium iron(II) inosilicate
|
| gptkbp:bfsParent |
gptkb:Pyroxene
gptkb:Pyroxene_group |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hedenbergite
|