一切經音義 49.134

49.134

礦論（寡猛反廣雅鐵樸謂之磺鈆樸謂之鏈說文銅鐵樸也或從黃作磺論云磺論者讚說銷鎔飛鍊求神仙之術也）。

礦論 [treatise on ores/alchemy] (g- + [m]eng [-> guang], rising tone. The Guangya says: "Unrefined iron is called 磺; unrefined lead is called 鏈." The Shuowen jiezi says: "Unrefined copper or iron." Sometimes written with 黃 as 磺. The treatise says: "Treatises on ores refers to praising and expounding on smelting and sublimating in pursuit of the arts of divine transcendents").