|
gptkbp:instance_of
|
gptkb:Iron_Age
|
|
gptkbp:appearance
|
gptkb:none
|
|
gptkbp:birefringence
|
gptkb:none
|
|
gptkbp:characteristic
|
isotropic
|
|
gptkbp:chemical_formula
|
Ca3 Fe2(Si O4)3
|
|
gptkbp:color
|
gptkb:black
gptkb:green
gptkb:yellow
brown
|
|
gptkbp:difficulty
|
6.5 to 7.5
|
|
gptkbp:discovery
|
known since antiquity
|
|
gptkbp:dissolved
|
insoluble in water
|
|
gptkbp:first_described_by
|
1832
|
|
gptkbp:has_field
|
non-magnetic
|
|
gptkbp:has_luminosity
|
gptkb:none
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Andradite
|
|
gptkbp:is_found_in
|
gptkb:Afghanistan
gptkb:Brazil
gptkb:India
gptkb:Italy
gptkb:Mexico
gptkb:Russia
gptkb:South_Africa
gptkb:Tanzania
gptkb:USA
gptkb:Sri_Lanka
|
|
gptkbp:lens_type
|
1.83 to 1.90
|
|
gptkbp:luster
|
vitreous
|
|
gptkbp:named_after
|
gptkb:Andrade_family
|
|
gptkbp:notable_artifact
|
gptkb:granite
gptkb:Ferengi
gptkb:jewelry
calcite
biotite
hornblende
muscovite
diopside
epidote
wollastonite
|
|
gptkbp:occurs_in
|
igneous rocks
metamorphic rocks
skarn deposits
|
|
gptkbp:structure
|
cubic
dodecahedral
|
|
gptkbp:surface
|
3.8 to 4.2
|
|
gptkbp:uses
|
gptkb:jewelry
industrial applications
|
|
gptkbp:varieties
|
andradite garnet
demantoid
melanite
topazolite
|
|
gptkbp:bfsParent
|
gptkb:jewelry
|
|
gptkbp:bfsLayer
|
4
|