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