|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:enstatite
gptkb:calcite
gptkb:tremolite
gptkb:wollastonite
granite
olivine
|
|
gptkbp:birefringence
|
0.023
|
|
gptkbp:category
|
gptkb:pyroxene_group
|
|
gptkbp:chemicalFormula
|
CaMgSi2O6
|
|
gptkbp:cleavage
|
prismatic
|
|
gptkbp:color
|
brown
gray
green
white
light green
|
|
gptkbp:crystalSystem
|
monoclinic
|
|
gptkbp:Dana_classification
|
65.1.3.1
|
|
gptkbp:discoveredBy
|
gptkb:René_Just_Haüy
|
|
gptkbp:etymology
|
Greek: dis (double) + opsis (vision)
|
|
gptkbp:event
|
metamorphic rocks
igneous rocks
|
|
gptkbp:foundIn
|
gptkb:Canada
gptkb:Finland
gptkb:Myanmar
gptkb:Russia
gptkb:South_Africa
gptkb:United_States
|
|
gptkbp:fracture
|
uneven
|
|
gptkbp:hardnessMohs
|
5.5
6.5
|
|
gptkbp:hasVariant
|
gptkb:black_star_diopside
gptkb:chrome_diopside
gptkb:violane
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
diopside
|
|
gptkbp:IMA_symbol
|
gptkb:Di
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:meltingPoint
|
1391°C
|
|
gptkbp:opticalProperties
|
biaxial (+)
|
|
gptkbp:pleochroism
|
weak
|
|
gptkbp:refractiveIndex
|
1.663
1.701
|
|
gptkbp:specificGravity
|
3.2
|
|
gptkbp:streak
|
white
|
|
gptkbp:Strunz_classification
|
9.DA.15
|
|
gptkbp:symmetry
|
C2/c
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
granite
metamorphic petrology
|
|
gptkbp:bfsParent
|
gptkb:Grossular
|
|
gptkbp:bfsLayer
|
5
|