Galena, Illinois time. The city emerged as the largest steamboat hub on the Mississippi River north of St. Louis, Missouri. Galena was the home of Ulysses S. Grant and eight other Civil War generals. Today, the city is a tourist destination known for its history, architecture, and resorts. The city is named for galena, the natural form of lead sulfide (PbS) and the most important lead ore. Native Americans mined the ore for use in burial rituals. The Havana Hopewell first traded galena in the area during the Middle Woodland period (c. 1–400 CE). However, the use of galena in the Havana
Mineral surface, with regards to its quality and intensity. There are numerous qualitative terms used to describe this property, which are split into metallic and non-metallic categories. Metallic and sub-metallic minerals have high reflectivity like metal; examples of minerals with this lustre are galena and pyrite. Non-metallic lustres include: adamantine, such as in diamond; vitreous, which is a glassy lustre very common in silicate minerals; pearly, such as in talc and apophyllite; resinous, such as members of the garnet group; silky which is common in fibrous minerals such as asbestiform chrysotile. The diaphaneity of a mineral describes the ability of light