|
gptkbp:instanceOf
|
gptkb:granite
|
|
gptkbp:alteration
|
Can alter to sericite
|
|
gptkbp:associatedMinerals
|
gptkb:Microcline
gptkb:Oligoclase
gptkb:Quartz
gptkb:Biotite
gptkb:Muscovite
|
|
gptkbp:birefringence
|
0.008–0.010
|
|
gptkbp:category
|
gptkb:Feldspar
|
|
gptkbp:chemicalFormula
|
NaAlSi3O8
|
|
gptkbp:cleavage
|
Perfect on {001}
|
|
gptkbp:color
|
Colorless
White
Greenish
Pale blue
|
|
gptkbp:crystalHabit
|
Granular
Massive
Tabular crystals
|
|
gptkbp:crystalSystem
|
Triclinic
|
|
gptkbp:Dana_classification
|
76.1.3.1
|
|
gptkbp:discoveredIn
|
1815
|
|
gptkbp:event
|
Igneous rocks
Metamorphic rocks
Pegmatites
|
|
gptkbp:fluorescence
|
None
|
|
gptkbp:fracture
|
Uneven
|
|
gptkbp:hardnessMohs
|
6–6.5
|
|
gptkbp:IMA_symbol
|
Ab
|
|
gptkbp:IMAStatus
|
Approved mineral
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:meltingPoint
|
~1100°C
|
|
gptkbp:namedAfter
|
Latin word 'albus' (white)
|
|
gptkbp:opticalProperties
|
Biaxial (-)
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.528–1.541
|
|
gptkbp:relatedGroup
|
gptkb:Plagioclase_feldspar
|
|
gptkbp:solidSolutionSeries
|
gptkb:Anorthite
gptkb:Oligoclase
|
|
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
|
Transparent to translucent
|
|
gptkbp:uses
|
gptkb:granite
Ceramics
Glass production
|
|
gptkbp:bfsParent
|
gptkb:Muscovite
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Albite
|