關於galena的百科

• galena造句怎麼寫

• galena[leadsulphide]Inadditiontocassiteriteandstannite,galenaalsocontainsahighamountoftin.Thesecosmeticsweremadebygrindingoreslikemalachiteandgalenaintoasubstancecalledkohl.Themainsilver-bearingmineralswerepsilomelane,pyrolusite,limonite,galena,pyrit...
• 2016-12-315778