Riobamba vs Galena

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Riobamba (Spanish pronunciation: [rjoˈβamba], full name San Pedro de Riobamba; Quechua: Rispampa) is the capital of Chimborazo Province in central Ecuador, and is located in the Chambo River Valley of the Andes. It is 200 km (120 mi) south of Ecuador's capital Quito and located at 2,754 m on the Avenue of the Volcanoes.

The city is an important regional transport center and a stop on the Pan-American Highway, which runs through Ecuador. Riobamba is one of the largest cities in the central portion of Ecuador's Sierra region.

Source: Wikipedia

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Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver.Galena is one of the most abundant and widely distributed sulfide minerals.

It crystallizes in the cubic crystal system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite.

Source: Wikipedia