Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mineral group
|
| gptkbp:category |
inosilicate
|
| gptkbp:chemicalFormula |
XY(Si,Al)2O6
|
| gptkbp:cleavage |
prismatic (two directions at nearly 90°)
|
| gptkbp:color |
black
brown green |
| gptkbp:contains |
gptkb:augite
gptkb:diopside gptkb:enstatite gptkb:hedenbergite gptkb:jadeite gptkb:kosmochlor gptkb:pigeonite spodumene |
| gptkbp:crystalSystem |
monoclinic
orthorhombic |
| gptkbp:density |
3.2–4.0 g/cm³
|
| gptkbp:hardnessMohs |
5-7
|
| https://www.w3.org/2000/01/rdf-schema#label |
pyroxene group
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedFor |
gptkb:René_Just_Haüy
|
| gptkbp:nameOrigin |
Greek 'pyroxenos' meaning 'fire stranger'
|
| gptkbp:occurredIn |
metamorphic rocks
igneous rocks |
| gptkbp:uses |
gemstone (jadeite, spodumene)
geological indicator |
| gptkbp:bfsParent |
gptkb:Davisite
gptkb:diopside gptkb:Diopside |
| gptkbp:bfsLayer |
6
|