|
gptkbp:instanceOf
|
gptkb:granite
|
|
gptkbp:associatedMinerals
|
gptkb:Albite
gptkb:Orthoclase
gptkb:Sodalite
gptkb:Cancrinite
gptkb:Leucite
|
|
gptkbp:chemicalFormula
|
(Na,K)AlSiO4
|
|
gptkbp:cleavage
|
Poor
|
|
gptkbp:color
|
Colorless
Gray
White
Greenish
Yellowish
|
|
gptkbp:crystalSystem
|
Hexagonal
|
|
gptkbp:Dana_classification
|
76.1.3.1
|
|
gptkbp:discoveredBy
|
gptkb:René_Just_Haüy
|
|
gptkbp:discoveredIn
|
1801
|
|
gptkbp:event
|
Igneous rocks
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:habit
|
Granular
Massive
Prismatic crystals
|
|
gptkbp:hardnessMohs
|
5.5–6
|
|
gptkbp:IMA_symbol
|
Nph
|
|
gptkbp:luster
|
Vitreous
Greasy
|
|
gptkbp:mainDeposits
|
gptkb:Canada
gptkb:Italy
gptkb:Norway
gptkb:Russia
gptkb:United_States
|
|
gptkbp:nameOrigin
|
Greek 'nephele' meaning 'cloud'
|
|
gptkbp:pleochroism
|
None
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.529–1.546
|
|
gptkbp:relatedGroup
|
gptkb:Feldspathoid
|
|
gptkbp:solubility
|
Decomposed by acids
|
|
gptkbp:specificGravity
|
2.55–2.65
|
|
gptkbp:streak
|
White
|
|
gptkbp:Strunz_classification
|
9.FA.05
|
|
gptkbp:symmetry
|
P63
|
|
gptkbp:tenacity
|
Brittle
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
Ceramics
Glass manufacturing
|
|
gptkbp:bfsParent
|
gptkb:Sodalite
gptkb:Tectosilicates
|
|
gptkbp:bfsLayer
|
7
|
|
http://www.w3.org/2000/01/rdf-schema#label
|
Nepheline
|