ruby
type: Concept
broader: corundum
preferred label: یاقوت @fa

sapphire
type: Concept
broader: corundum
preferred label: یاقوت کبود @fa

corundum
type: Concept
alternative label: Α-Al2O3
broader: minerals
broader: alumina
narrower: ruby
narrower: sapphire
preferred label: کوراندوم @fa
scope note: Α-Al2O3

minerals
type: Concept
narrower: corundum
preferred label: کانیها @fa

alumina
type: Concept
narrower: corundum
preferred label: آلومین @fa