|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:Halite
gptkb:Calcite
gptkb:Sulfur
|
|
gptkbp:birefringence
|
0.011
|
|
gptkbp:category
|
Sulfate mineral
|
|
gptkbp:chemicalFormula
|
CaSO4·2H2O
|
|
gptkbp:cleavage
|
Perfect
|
|
gptkbp:color
|
Brown
Colorless
Gray
White
|
|
gptkbp:crystalSystem
|
Monoclinic
|
|
gptkbp:distinctiveFeature
|
Transparency
Softness
Flexible crystals
Perfect cleavage
|
|
gptkbp:event
|
Evaporite deposits
|
|
gptkbp:habit
|
Tabular crystals
Fibrous aggregates
Foliated masses
|
|
gptkbp:hardnessMohs
|
2
|
|
gptkbp:hasVariant
|
Gypsum
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Selenite
|
|
gptkbp:luster
|
Vitreous
Pearly
|
|
gptkbp:namedAfter
|
Greek word for Moon
|
|
gptkbp:notablePlace
|
gptkb:Cave_of_the_Crystals
gptkb:Australia
gptkb:Italy
gptkb:Spain
gptkb:Oklahoma,_USA
Naica Mine, Mexico
|
|
gptkbp:opticalProperties
|
Biaxial (+)
|
|
gptkbp:otherVarieties
|
Desert rose
Gypsum flower
Satin spar
|
|
gptkbp:refractiveIndex
|
nα = 1.519
nβ = 1.522
nγ = 1.530
|
|
gptkbp:relatedGroup
|
Gypsum
|
|
gptkbp:solubility
|
Slightly soluble in water
|
|
gptkbp:specificGravity
|
2.3
|
|
gptkbp:streak
|
White
|
|
gptkbp:tenacity
|
Flexible but not elastic
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
gptkb:sculpture
fertilizer
Plaster
|
|
gptkbp:bfsParent
|
gptkb:Pretty_Scary_Silver_Fairy
|
|
gptkbp:bfsLayer
|
8
|