|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
variscite
wavellite
crandallite
goyazite
millisite
montgomeryite
|
|
gptkbp:birefringence
|
0.008
|
|
gptkbp:category
|
phosphate mineral
|
|
gptkbp:chemicalFormula
|
NaAl3(PO4)2(OH)4·2H2O
|
|
gptkbp:cleavage
|
distinct
|
|
gptkbp:color
|
green
white
colorless
blue-green
yellowish
pale green
|
|
gptkbp:crystalHabit
|
pseudo-octahedral
|
|
gptkbp:crystalSystem
|
tetragonal
|
|
gptkbp:Dana_classification
|
42.07.02.01
|
|
gptkbp:discoveredIn
|
1896
|
|
gptkbp:firstDescribed
|
gptkb:Utah,_United_States
|
|
gptkbp:fluorescence
|
none
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:habit
|
tabular crystals
nodular masses
radial aggregates
|
|
gptkbp:hardnessMohs
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Wardite
|
|
gptkbp:IMA_symbol
|
Wrd
|
|
gptkbp:luster
|
greasy
vitreous
|
|
gptkbp:namedAfter
|
gptkb:Henry_Augustus_Ward
|
|
gptkbp:opticalProperties
|
uniaxial (+)
|
|
gptkbp:refractiveIndex
|
nε = 1.594
nω = 1.586
|
|
gptkbp:solubility
|
insoluble in water
|
|
gptkbp:specificGravity
|
2.81
|
|
gptkbp:streak
|
white
|
|
gptkbp:Strunz_classification
|
8.DL.10
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
collector's mineral
|
|
gptkbp:bfsParent
|
gptkb:Variscite
|
|
gptkbp:bfsLayer
|
7
|