|
gptkbp:instance_of
|
gptkb:item
|
|
gptkbp:appearance
|
gptkb:none
|
|
gptkbp:associated_with
|
protection
|
|
gptkbp:awards
|
gptkb:August
vitreous to dull
|
|
gptkbp:characteristics
|
birefringence negligible
|
|
gptkbp:color
|
gptkb:black
gptkb:none
|
|
gptkbp:cultural_significance
|
symbol of strength
symbol of hope
symbol of protection
|
|
gptkbp:depicted_in
|
transparent to opaque
|
|
gptkbp:difficulty
|
7.5 to 8 on the Mohs scale
|
|
gptkbp:enhances
|
gptkb:none
|
|
gptkbp:famous_for
|
gptkb:Black_Prince's_Ruby
gptkb:Imperial_State_Crown
gptkb:Crown_Jewels_of_England
gptkb:archaeological_site
gptkb:Royal_Family_jewelry
|
|
gptkbp:field
|
non-magnetic
|
|
gptkbp:historical_significance
|
used in ancient jewelry
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
black spinel
|
|
gptkbp:ingredients
|
Mg Al2 O4
|
|
gptkbp:is_found_in
|
gptkb:Brazil
gptkb:India
gptkb:Monarch
gptkb:Myanmar
gptkb:Politician
gptkb:Russia
gptkb:Tanzania
gptkb:Sri_Lanka
gptkb:Madagascar
|
|
gptkbp:is_similar_to
|
gptkb:aircraft
gptkb:Piano_Sonata
black diamond
|
|
gptkbp:market
|
widely available
|
|
gptkbp:occurs_in
|
found in metamorphic rocks
|
|
gptkbp:price_range
|
varies widely
|
|
gptkbp:replaced_by
|
conchoidal
|
|
gptkbp:social_structure
|
isometric
|
|
gptkbp:surface
|
3.58 to 3.61
|
|
gptkbp:treatment
|
none required
|
|
gptkbp:uses
|
gptkb:item
|
|
gptkbp:varieties
|
gptkb:stock_market_index
|
|
gptkbp:bfsParent
|
gptkb:mountain
|
|
gptkbp:bfsLayer
|
3
|