Koszalin vs Galena

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Koszalin (pronounced Koshalin [kɔˈʂalʲin] (listen); German: Köslin, Kashubian: Kòszalëno) is a city in northwestern Poland, in Western Pomerania. It is located 12 kilometres (7 miles) south of the Baltic Sea coast, and intersected by the river Dzierżęcinka.

Koszalin is also a county-status city and capital of Koszalin County of West Pomeranian Voivodeship since 1999. Previously, it was a capital of Koszalin Voivodeship (1950–1998). The current mayor of Koszalin is Piotr Jedliński.

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