광물 데이터베이스와 크리스탈 테라피광물ChestermaniteDavid Hospital·CC BY-SA 4.0·WikimediaChestermaniteMg2(Fe3⁺,Mn3⁺,Al,Sb3⁺)(BO3)O2Ortorombico heart IMA approved구성Composizione (% in peso)OFeMgOOxygen41.0%FeIron28.6%MgMagnesium24.9%BBoron5.5%어원명명 유래 Charles W. Chesterman.