|
gptkbp:instanceOf
|
gptkb:granite
gptkb:variety_of_chalcedony
|
|
gptkbp:associatedMinerals
|
gptkb:ode
gptkb:calcite
gptkb:granite
gptkb:jasper
hematite
|
|
gptkbp:birefringence
|
0.004
|
|
gptkbp:category
|
silicate mineral
|
|
gptkbp:chemicalFormula
|
SiO2
|
|
gptkbp:cleavage
|
none
|
|
gptkbp:color
|
varied
|
|
gptkbp:component
|
quartz
moganite
|
|
gptkbp:crystalSystem
|
trigonal
|
|
gptkbp:discoveredBy
|
ancient times
|
|
gptkbp:event
|
metamorphic rocks
volcanic rocks
|
|
gptkbp:form
|
deposition of silica from groundwater in cavities
|
|
gptkbp:fracture
|
conchoidal
|
|
gptkbp:hardnessMohs
|
6.5–7
|
|
gptkbp:location
|
gptkb:Australia
gptkb:Botswana
gptkb:Brazil
gptkb:Czech_Republic
gptkb:Germany
gptkb:India
gptkb:Madagascar
gptkb:Mexico
gptkb:Russia
gptkb:United_States
gptkb:Uruguay
|
|
gptkbp:luster
|
waxy
|
|
gptkbp:namedAfter
|
gptkb:Achates_River
|
|
gptkbp:notableVariant
|
gptkb:sardonyx
onyx
blue lace agate
crazy lace agate
eye agate
fire agate
fortification agate
moss agate
|
|
gptkbp:opticalProperties
|
uniaxial (+)
|
|
gptkbp:refractiveIndex
|
1.530–1.540
|
|
gptkbp:solubility
|
insoluble in water
|
|
gptkbp:specificGravity
|
2.58–2.64
|
|
gptkbp:streak
|
white
|
|
gptkbp:structure
|
banded
|
|
gptkbp:symbolizes
|
strength
harmony
protection
healing
|
|
gptkbp:tenacity
|
brittle
|
|
gptkbp:transparency
|
translucent
|
|
gptkbp:uses
|
gptkb:building
gptkb:jewelry
decorative items
|
|
gptkbp:bfsParent
|
gptkb:Agate_Beach,_Oregon
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Agate (mineral)
|