|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:Halite
gptkb:Natron
Gaylussite
Soda niter
Thermonatrite
|
|
gptkbp:birefringence
|
0.040
|
|
gptkbp:category
|
Carbonate mineral
|
|
gptkbp:chemicalFormula
|
Na3H(CO3)2·2H2O
|
|
gptkbp:cleavage
|
Perfect
|
|
gptkbp:color
|
Colorless
Gray
White
Yellowish
|
|
gptkbp:crystalSystem
|
Monoclinic
|
|
gptkbp:discoveredIn
|
1791
|
|
gptkbp:event
|
Evaporite deposits
|
|
gptkbp:fracture
|
Uneven
|
|
gptkbp:habit
|
Prismatic crystals
Fibrous masses
Granular aggregates
|
|
gptkbp:hardnessMohs
|
2.5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Trona (mineral)
|
|
gptkbp:IMA_symbol
|
gptkb:Trn
|
|
gptkbp:luster
|
Vitreous
Dull
|
|
gptkbp:mainProducer
|
gptkb:Green_River_Basin
gptkb:Lake_Magadi
|
|
gptkbp:majorCity
|
gptkb:China
gptkb:Kenya
gptkb:Turkey
gptkb:United_States
|
|
gptkbp:namedAfter
|
gptkb:Arabic_natron
|
|
gptkbp:opticalProperties
|
Biaxial (-)
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.420
1.500
1.520
|
|
gptkbp:solubility
|
Water soluble
|
|
gptkbp:specificGravity
|
2.1
|
|
gptkbp:streak
|
White
|
|
gptkbp:tenacity
|
Brittle
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
Paper production
Water treatment
Glass manufacturing
Source of soda ash
|
|
gptkbp:bfsParent
|
gptkb:Trona,_California,_United_States
|
|
gptkbp:bfsLayer
|
7
|