Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mineral group
|
| gptkbp:chemicalFormula |
(Ca,Na)2-3(Mg,Fe,Al)5(Al,Si)8O22(OH)2
|
| gptkbp:cleavage |
two directions at 56 and 124 degrees
|
| gptkbp:color |
black
dark green |
| gptkbp:contains |
gptkb:hornblende
gptkb:edenite gptkb:ferrohornblende gptkb:magnesiohornblende gptkb:pargasite gptkb:tschermakite |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:event |
metamorphic rocks
igneous rocks |
| gptkbp:hardnessMohs |
5-6
|
| https://www.w3.org/2000/01/rdf-schema#label |
hornblende group
|
| gptkbp:luster |
vitreous
|
| gptkbp:memberOf |
amphibole supergroup
|
| gptkbp:namedAfter |
German: horn + blende (deceptive appearance)
|
| gptkbp:subclassOf |
inosilicate
|
| gptkbp:bfsParent |
gptkb:ferrohornblende
|
| gptkbp:bfsLayer |
7
|