Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:granite
|
| gptkbp:associatedMinerals |
gptkb:biotite
gptkb:hornblende feldspar |
| gptkbp:category |
gptkb:amphibole
|
| gptkbp:chemicalFormula |
NaCa2(Mg,Fe)5AlSi7O22(OH)2
|
| gptkbp:cleavage |
prismatic
|
| gptkbp:color |
black
green gray-green |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:density |
3.1–3.4 g/cm³
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:firstDescribed |
1881
|
| gptkbp:hardnessMohs |
5–6
|
| gptkbp:IMAStatus |
approved mineral
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
gptkb:Edenville,_New_York
|
| gptkbp:opticalProperties |
biaxial (-)
|
| gptkbp:relatedGroup |
inosilicate
|
| gptkbp:streak |
white
|
| gptkbp:symmetry |
C2/m
|
| gptkbp:bfsParent |
gptkb:amphibole
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
edenite
|