Categories
Lead and zinc ore
Id
166
Idno
A0289
Type
Geological Material
Title
Lead and zinc ore
Description
Lead: it is a heavy metal of a bluish-gray color, melting at low temperatures, it is rare to find it native; it is ductile and very malleable, but toxic, yet the Romans called its refined form 'plumbum' and used it for plumbing pipes (today is used in batteries and radiation shielding). Zinc: bluish-gray metallic element, it is brittle, but becomes malleable at 100 °C, it is a moderately good conductor of electricity. The most common alloy is brass, which is made by mixing it with copper.
Origin
Cacachilas, Baja California Sur
Material
Lead and zinc
Length
Width
High