Žilina vs Galena

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Žilina (Slovak pronunciation: [ˈʒilina]; Hungarian: Zsolna, [ʒolnɒ]; German: Sillein, [ziˈlaɪ̯n] or [ˈzɪlaɪ̯n]; Polish: Żylina [ʒɨˈlina], names in other languages) is a city in north-western Slovakia, around 200 kilometres (120 mi) from the capital Bratislava, close to both the Czech and Polish borders.

It is the fourth largest city of Slovakia with a population of approximately 80,000, an important industrial center, the largest city on the Váh river, and the seat of a kraj (Žilina Region) and of an okres (Žilina District). It belongs to the Upper Váh region of tourism.

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