|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:biotite
gptkb:muscovite
quartz
microcline
|
|
gptkbp:birefringence
|
0.009–0.010
|
|
gptkbp:category
|
feldspar
|
|
gptkbp:chemicalFormula
|
NaAlSi3O8
|
|
gptkbp:cleavage
|
perfect on {001}
|
|
gptkbp:color
|
greenish
white
colorless
pale blue
|
|
gptkbp:crystalSystem
|
triclinic
|
|
gptkbp:Dana_classification
|
76.1.3.1
|
|
gptkbp:diaphaneity
|
transparent to translucent
|
|
gptkbp:endMemberOf
|
gptkb:plagioclase_series
|
|
gptkbp:event
|
metamorphic rocks
pegmatites
igneous rocks
|
|
gptkbp:firstDescribed
|
1815
|
|
gptkbp:foundIn
|
gptkb:Canada
gptkb:Italy
gptkb:Norway
gptkb:Russia
gptkb:United_States
|
|
gptkbp:fracture
|
uneven
|
|
gptkbp:hardnessMohs
|
6–6.5
|
|
gptkbp:hasVariant
|
plagioclase
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
albite
|
|
gptkbp:IMA_symbol
|
Ab
|
|
gptkbp:IMAStatus
|
approved mineral
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:namedAfter
|
Latin albus (white)
|
|
gptkbp:opticalProperties
|
biaxial (-)
|
|
gptkbp:refractiveIndex
|
1.528–1.544
|
|
gptkbp:relatedGroup
|
gptkb:plagioclase_feldspar
|
|
gptkbp:solidSolutionSeriesWith
|
anorthite
|
|
gptkbp:solubility
|
insoluble in water
|
|
gptkbp:specificGravity
|
2.62
|
|
gptkbp:streak
|
white
|
|
gptkbp:Strunz_classification
|
9.FA.35
|
|
gptkbp:symmetry
|
space group P-1
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
transparent
|
|
gptkbp:uses
|
gptkb:ceramics
granite
glassmaking
|
|
gptkbp:bfsParent
|
gptkb:plagioclase_feldspar
gptkb:sodium-rich_plagioclase
gptkb:Moonstone
gptkb:Epidote
|
|
gptkbp:bfsLayer
|
6
|