Encyclopedia Dubuque
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
GALENA: Difference between revisions
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[[Image:galena-2.gif|right|thumb|350px|Galena]]GALENA. | [[Image:galena-2.gif|right|thumb|350px|Galena]]GALENA. Galena was a valuable ore that attracted [[DUBUQUE, Julien|Julien DUBUQUE]] to this region. The official mineral of Missouri and Wisconsin, galena is a compound of lead with the chemical symbol PbS. | ||
In its purest state, galena is 13.4 percent sulfur and 86.6 percent lead by weight. Because galena frequently contains silver, it is often processed for both minerals. [[MINING]] galena was one of the earliest sources of wealth in eastern Iowa. Galena, used in the production of [[SHOT]], was also the crystal by which old crystal radio sets were tuned. | [[Image:poverty.JPG|right|thumb|350px|Map showing different minerals used by the people who inhabited Poverty Point, Louisiana. Photo courtesy: Poverty Point National Memorial.]]In its purest state, galena is 13.4 percent sulfur and 86.6 percent lead by weight. Because galena frequently contains silver, it is often processed for both minerals. Galena was a popular mineral used by prehistoric Native Americans as far away at the mound builders of Poverty Point, Louisiana over 3,000 years ago. [[MINING]] galena was one of the earliest sources of wealth in eastern Iowa. Galena, used in the production of [[SHOT]], was also the crystal by which old crystal radio sets were tuned. | ||
See: [[LEAD MINING]] | See: [[LEAD MINING]] | ||
Revision as of 17:51, 23 February 2017
GALENA. Galena was a valuable ore that attracted Julien DUBUQUE to this region. The official mineral of Missouri and Wisconsin, galena is a compound of lead with the chemical symbol PbS.
In its purest state, galena is 13.4 percent sulfur and 86.6 percent lead by weight. Because galena frequently contains silver, it is often processed for both minerals. Galena was a popular mineral used by prehistoric Native Americans as far away at the mound builders of Poverty Point, Louisiana over 3,000 years ago. MINING galena was one of the earliest sources of wealth in eastern Iowa. Galena, used in the production of SHOT, was also the crystal by which old crystal radio sets were tuned.
See: LEAD MINING