|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedMinerals
|
gptkb:Quartz
gptkb:Albite
gptkb:Beryl
gptkb:Feldspar
gptkb:Biotite
granite
Tourmaline
Topaz
Kyanite
Lepidolite
Staurolite
|
|
gptkbp:birefringence
|
δ = 0.035–0.047
|
|
gptkbp:category
|
Phyllosilicate
|
|
gptkbp:chemicalFormula
|
KAl2(AlSi3O10)(F,OH)2
|
|
gptkbp:cleavage
|
Perfect
|
|
gptkbp:color
|
Brown
Colorless
Gray
Green
|
|
gptkbp:crystalSystem
|
Monoclinic
|
|
gptkbp:diaphaneity
|
Transparent to translucent
|
|
gptkbp:event
|
Igneous rocks
Metamorphic rocks
Pegmatites
|
|
gptkbp:firstDescribed
|
1850
|
|
gptkbp:fluorescence
|
nan
|
|
gptkbp:hardnessMohs
|
2–2.5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Muscovite
|
|
gptkbp:IMA_symbol
|
Ms
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:namedAfter
|
gptkb:Muscovy
|
|
gptkbp:opticalProperties
|
Biaxial (-)
|
|
gptkbp:otherName
|
Common mica
Isinglass
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
nα = 1.552–1.576
nβ = 1.582–1.617
nγ = 1.587–1.623
|
|
gptkbp:relatedGroup
|
gptkb:Mica_group
|
|
gptkbp:solubility
|
Insoluble
|
|
gptkbp:specificGravity
|
2.76–3.0
|
|
gptkbp:streak
|
White
|
|
gptkbp:tenacity
|
Elastic
|
|
gptkbp:transparency
|
Transparent
|
|
gptkbp:uses
|
gptkb:Windows
cosmetic product
Electrical insulator
Paints
|
|
gptkbp:bfsParent
|
gptkb:Moscow
|
|
gptkbp:bfsLayer
|
4
|