|
gptkbp:instanceOf
|
granite
|
|
gptkbp:associatedWith
|
gptkb:Greek_mythology
gptkb:Bacchus
gptkb:Dionysus
|
|
gptkbp:birthstoneFor
|
February
|
|
gptkbp:category
|
quartz
|
|
gptkbp:chemicalFormula
|
SiO2
|
|
gptkbp:cleavage
|
none
|
|
gptkbp:color
|
purple
|
|
gptkbp:commonAssociations
|
gptkb:rock_crystal
gptkb:smoky_quartz
turquoise
|
|
gptkbp:crystalSystem
|
trigonal
|
|
gptkbp:fluorescence
|
none
|
|
gptkbp:foundIn
|
gptkb:Brazil
gptkb:Russia
gptkb:South_Korea
gptkb:United_States
gptkb:Uruguay
gptkb:Zambia
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:habit
|
prismatic crystals
drusy aggregates
geodes
|
|
gptkbp:hardnessMohs
|
7
|
|
gptkbp:hasVariant
|
quartz
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Amethyst
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:nameOrigin
|
Greek 'amethystos' meaning 'not intoxicated'
|
|
gptkbp:opticalProperties
|
uniaxial positive
|
|
gptkbp:originOfColor
|
iron impurities and irradiation
|
|
gptkbp:pleochroism
|
weak
|
|
gptkbp:radioactive
|
not radioactive
|
|
gptkbp:refractiveIndex
|
1.544–1.553
|
|
gptkbp:relatedGroup
|
silicate minerals
|
|
gptkbp:solubility
|
insoluble in water
|
|
gptkbp:specificGravity
|
2.65
|
|
gptkbp:streak
|
white
|
|
gptkbp:symbolizes
|
peace
protection
sobriety
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
transparent
|
|
gptkbp:usedAs
|
granite
|
|
gptkbp:usedFor
|
gptkb:meditation
healing practices
|
|
gptkbp:usedIn
|
gptkb:jewelry
ornamental objects
|
|
gptkbp:市值
|
semi-precious
|
|
gptkbp:bfsParent
|
gptkb:Quartz
gptkb:South_Carolina
|
|
gptkbp:bfsLayer
|
4
|