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主题

界面语言

深度材料页面分四个级别撰写。在任意材料页面选择后，系统将记住您的选择。

★ 已保存研究与数据

Galena specimen

矿石矿物

Galena

The main lead ore, and a principal carrier of silver — which is why most silver is a by-product.

1945 homemade galena crystal radio · Badseed · CC BY-SA 3.0 · Wikimedia Commons

其定义

The main lead ore, and a principal carrier of silver — which is why most silver is a by-product.

来源于此的材料

材料	角色	品位说明
Lead	Principal ore	—
Silver	Main by-product host	—

Lead

Lead

A soft, dense, blue-grey metal that blocks radiation and stores charge cheaply — and that is also a well-documented…

Steel & Alloy MetalsPb

Silver

Silver

The best electrical conductor there is, and the metal that has been used as money for longer than almost anything…

Precious MetalsAg