|
gptkbp:instanceOf
|
gptkb:granite
|
|
gptkbp:associatedMinerals
|
gptkb:Analcime
gptkb:Heulandite
gptkb:Mesolite
gptkb:Scolecite
gptkb:Stilbite
gptkb:Thomsonite
|
|
gptkbp:birefringence
|
0.012
|
|
gptkbp:category
|
Zeolite
|
|
gptkbp:chemicalFormula
|
Na2Al2Si3O10·2H2O
|
|
gptkbp:cleavage
|
Perfect
|
|
gptkbp:color
|
Colorless
Gray
Green
Red
White
Yellow
|
|
gptkbp:crystalSystem
|
Orthorhombic
|
|
gptkbp:Dana_classification
|
77.1.3.1
|
|
gptkbp:discoveredBy
|
gptkb:Martin_Heinrich_Klaproth
|
|
gptkbp:discoveredIn
|
1803
|
|
gptkbp:event
|
Hydrothermal veins
Basaltic volcanic rocks
|
|
gptkbp:fracture
|
Uneven
|
|
gptkbp:habit
|
Fibrous
Acicular
Columnar
Radiating
|
|
gptkbp:hardnessMohs
|
5-5.5
|
|
gptkbp:IMA_symbol
|
Ntr
|
|
gptkbp:luster
|
Vitreous
Silky
|
|
gptkbp:mineralSymbol
|
Ntr
|
|
gptkbp:namedAfter
|
gptkb:Natrium
|
|
gptkbp:opticalProperties
|
Biaxial (+)
|
|
gptkbp:pleochroism
|
None
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.479–1.493
|
|
gptkbp:relatedGroup
|
Zeolite group
|
|
gptkbp:solubility
|
Insoluble in water
|
|
gptkbp:specificGravity
|
2.2
|
|
gptkbp:streak
|
White
|
|
gptkbp:Strunz_classification
|
9.GA.10
|
|
gptkbp:symmetry
|
Fdd2
|
|
gptkbp:tenacity
|
Brittle
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
Collector's mineral
Zeolite research
|
|
gptkbp:bfsParent
|
gptkb:Tectosilicates
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Natrolite
|