《太平广记·卷八十一·异人一》
再往下挖到一丈深，就有药用琥珀，颜色比漆还黑，有的像车轮那样大，研成粉末服下去，能治妇人小肠瘀结等疾病。
更深一丈，下有瑿珀，黑逾纯漆，或大如车轮，末而服之，攻妇人小肠症瘕诸疾。
Digging down another 10 feet reveals amber that is medicinal; its color is a shade darker than lacquer; some pieces are as large as a carriage wheel; if ground into powder and consumed, it can cure conditions such as intestinal stasis in women.