blue spinel

URI: https://gptkb.org/entity/blue_spinel

GPTKB entity

Predicate	Object
gptkbp:instance_of	gptkb:item
gptkbp:bfsLayer	3
gptkbp:bfsParent	gptkb:mountain
gptkbp:associated_with	gptkb:philosopher gptkb:wealth gptkb:superhero love tranquility
gptkbp:awards	September vitreous
gptkbp:characteristics	birefringent
gptkbp:color	gptkb:black gptkb:blue gptkb:green gptkb:red purple pink
gptkbp:composed_of	Mg Al2 O4
gptkbp:depicted_in	transparent to translucent
gptkbp:difficulty	7.5 to 8 on Mohs scale
gptkbp:discovered_by	gptkb:19th_century
gptkbp:dissolved	insoluble in water
gptkbp:has_luminosity	gptkb:none
https://www.w3.org/2000/01/rdf-schema#label	blue spinel
gptkbp:is_found_in	gptkb:Myanmar gptkb:Tanzania gptkb:Sri_Lanka
gptkbp:is_similar_to	gptkb:Monarch
gptkbp:melting_point	2135 ° C
gptkbp:notable_event	gptkb:The_Black_Prince's_Ruby gptkb:The_Blue_Spinel_of_the_Crown_Jewels gptkb:The_Crown_Jewels_of_England gptkb:The_Spinel_of_the_Great_Imperial_State_Crown gptkb:The_Imperial_State_Crown
gptkbp:social_structure	isometric
gptkbp:surface	3.58 to 3.61
gptkbp:treatment	gptkb:none
gptkbp:used_in	gptkb:item
gptkbp:uses	gptkb:item industrial applications
gptkbp:values	high