Statements (37)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
granite
|
| gptkbp:associatedMinerals |
gptkb:diopside
gptkb:calcite gptkb:arfvedsonite aegirine nepheline |
| gptkbp:category |
inosilicate
|
| gptkbp:chemicalFormula |
Na(NaCa)Mg5Si8O22(OH)2
|
| gptkbp:cleavage |
perfect
|
| gptkbp:color |
blue
brown green red yellow |
| gptkbp:crystalSystem |
monoclinic
|
| gptkbp:discoveredIn |
1865
|
| gptkbp:event |
metamorphic rocks
alkaline igneous rocks |
| gptkbp:fracture |
uneven
|
| gptkbp:hardnessMohs |
5.5
|
| https://www.w3.org/2000/01/rdf-schema#label |
richterite
|
| gptkbp:IMA_symbol |
Rtr
|
| gptkbp:location |
Langban, Sweden
|
| gptkbp:luster |
vitreous
|
| gptkbp:namedAfter |
Hieronymous Richter
|
| gptkbp:opticalProperties |
biaxial (-)
|
| gptkbp:pleochroism |
strong
|
| gptkbp:refractiveIndex |
1.610–1.650
|
| gptkbp:relatedGroup |
gptkb:amphibole
|
| gptkbp:specificGravity |
3.0
|
| gptkbp:streak |
white
|
| gptkbp:tenacity |
brittle
|
| gptkbp:transparency |
translucent
transparent |
| gptkbp:bfsParent |
gptkb:amphibole_group
gptkb:Sugilite |
| gptkbp:bfsLayer |
7
|