A large number of crystal inclusions and two facies or three facies inclusions are contented in the Shandong corundum and sapphire,which are distributed along specific net plane and parting plane.

• 山东刚玉及蓝宝石中含有大量晶体包裹体和两相、三相包裹体，并沿特定面网和裂理面分布。