Statements (30)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
amphibole mineral
|
| gptkbp:category |
inosilicate
|
| gptkbp:chemicalFormula |
NaCa2(Mg4Ti)(Si6Al2)O22(OH)2
|
| gptkbp:cleavage |
prismatic
|
| gptkbp:color |
black
dark brown |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:event |
granite
gabbro syenite alkaline igneous rocks nepheline syenite |
| gptkbp:firstDescribed |
1884
|
| gptkbp:fracture |
uneven
|
| gptkbp:habit |
prismatic crystals
granular |
| gptkbp:hardnessMohs |
5-6
|
| https://www.w3.org/2000/01/rdf-schema#label |
kaersutite
|
| gptkbp:IMA_symbol |
Krs
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
Kaersut, Umanak, Greenland
|
| gptkbp:opticalProperties |
biaxial (-)
|
| gptkbp:pleochroism |
strong
|
| gptkbp:relatedGroup |
gptkb:amphibole_group
|
| gptkbp:specificGravity |
3.2-3.4
|
| gptkbp:streak |
brownish gray
|
| gptkbp:transparency |
opaque
translucent |
| gptkbp:bfsParent |
gptkb:amphibole_group
|
| gptkbp:bfsLayer |
7
|