沙金是什么金属
关键词：沙金是什么金属
现在，几乎没有人不知道黄金的，但是小编相信，绝大部分人都不知道沙金。沙金是什么呢？跟黄金有没有联系呢？现在，就随着大田小编一起来了解一下吧。
一、沙金的产生
沙金对于很多人来说都是陌生的，其实它是产生于河流底层或低洼地带的，与各种沙石混杂在一起的，只有经过淘洗才能显示出来。事实上，沙金是比较少见的东西。因为沙金的行程比较苛刻，只有少数地方才存在。
沙金最先产于矿山之中，当金矿石露出地面经过长时间的风吹雨打之后，由于风化而崩裂脱落，而后顺着泥沙顺水而下之后沉淀在沙石中，最后趁机与河流底层或沙石底层就形成了现在的沙金。
二、沙金形态
现在我们看到的沙金一般都是颗粒大小不一的，小的似细沙，大的如蚕豆，总的来说，就是形态各异。另外，沙金的颜色也分很多种，主要有吃黄色、淡黄色、青黄色，这就导致了每日的沙金有不同的价格，并且提炼成黄金需要经过的程序不同。目前见到的沙金大部分是从河流通过物流方法获取的，由于其提炼工艺复杂，并且纯度能与黄金相比，因此，现在提炼出来的沙金与黄金的价格相差无几。
综上所述，大家都猜到沙金到底是什么金属了吗？没错，沙金，其实就是黄金，金黄色是其最为典型的颜色，跟黄金一样，若颜色为赤黄色，其纯度就差不多达到百分之分了哦！
本文来源： 大田环球贵金属
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