|
gptkbp:instanceOf
|
gptkb:granite
|
|
gptkbp:alternativeName
|
gptkb:Cairngorm
gptkb:Morion
|
|
gptkbp:associatedWith
|
gptkb:Cairngorm_Mountains
|
|
gptkbp:birefringence
|
0.009
|
|
gptkbp:birthstoneFor
|
November
|
|
gptkbp:category
|
gptkb:Quartz
|
|
gptkbp:chemicalFormula
|
SiO2
|
|
gptkbp:cleavage
|
None
|
|
gptkbp:color
|
Black
Brown
Gray
|
|
gptkbp:crystalHabit
|
Massive
Prismatic crystals
Drusy aggregates
|
|
gptkbp:crystalSystem
|
Hexagonal
|
|
gptkbp:density
|
2.65 g/cm³
|
|
gptkbp:foundIn
|
gptkb:Brazil
gptkb:Madagascar
gptkb:Scotland
gptkb:Switzerland
gptkb:United_States
|
|
gptkbp:fracture
|
Conchoidal
|
|
gptkbp:hardnessMohs
|
7
|
|
gptkbp:hasVariant
|
gptkb:Quartz
|
|
gptkbp:luster
|
Vitreous
|
|
gptkbp:namedAfter
|
Its smoky color
|
|
gptkbp:officialGemstoneOf
|
gptkb:Scotland
|
|
gptkbp:opticalProperties
|
Uniaxial (+)
|
|
gptkbp:originOfColor
|
Aluminum impurities
Natural irradiation
|
|
gptkbp:pleochroism
|
Weak
|
|
gptkbp:radioactive
|
Non-radioactive
|
|
gptkbp:refractiveIndex
|
1.544–1.553
|
|
gptkbp:relatedGroup
|
gptkb:Silicate_mineral
|
|
gptkbp:solubility
|
Insoluble in water
|
|
gptkbp:streak
|
White
|
|
gptkbp:tenacity
|
Brittle
|
|
gptkbp:transparency
|
Translucent
Transparent
|
|
gptkbp:uses
|
gptkb:jewelry
Ornamental stone
|
|
gptkbp:bfsParent
|
gptkb:State_of_New_Hampshire
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Smoky Quartz
|