Arisman () is a village in, and the capital of,
Emamzadeh Aqaali Abbas Rural District of
Emamzadeh District
Emamzadeh District () is in Natanz County, Isfahan province, Iran. Its capital is the city of Badrud
Badrud () is a city in, and the capital of, Emamzadeh District of Natanz County, Isfahan province, Iran
Iran, officially ...
,
Natanz County
Natanz County () is in Isfahan province, Iran. Its capital is the city of Natanz
Natanz () is a city in the Central District of Natanz County, Isfahan province, Iran, serving as capital of both the county and the district. It is s ...
,
Isfahan
Isfahan or Esfahan ( ) is a city in the Central District (Isfahan County), Central District of Isfahan County, Isfahan province, Iran. It is the capital of the province, the county, and the district. It is located south of Tehran. The city ...
province,
Iran
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
.
Demographics
Population
At the time of the 2006 National Census, the village's population was 1,745 in 489 households.
The following census in 2011 counted 1,838 people in 569 households.
The 2016 census measured the population of the village as 2,018 people in 690 households. It was the most populous village in its rural district.
Ancient metallurgy
At Arisman, some of the oldest evidence of silver production in the world has been found - such as the
litharge
Litharge (from Greek , 'stone' + 'silver' ) is one of the natural mineral forms of lead(II) oxide, PbO. Litharge is a secondary mineral which forms from the oxidation of galena ores. It forms as coatings and encrustations with internal tetr ...
fragments and cakes. This was taking place around 3600 BC.
Arsenical copper
Arsenical copper contains up to 0.5% arsenic which, at elevated temperatures, imparts higher tensile strength and a reduced tendency to scaling. It is typically specified in boiler work, especially locomotive fireboxes. It also helps prevent embri ...
production was also taking place.
[Nima Nezafati, Ernst Pernicka, Barbara Helwing, Dirk Kirchner]
Ancient metallurgy at Arisman, central Iran; A reconsideration.
Conference: The First Iran-German Symposium on Archaeometry, TABRIZIAU, November 1-4, 2016
The ore was mined from some polymetallic ore deposits in the same area. These deposits contain a mixture of copper, arsenic, lead, and silver. First, the ore was smelted, and then the second step of
cupellation
Cupellation is a refining process in metallurgy in which ores or alloyed metals are treated under very high temperatures and subjected to controlled operations to separate noble metals, like gold and silver, from base metals, like lead, co ...
was used to separate arsenical copper and silver.
See also
*
Tepe Sialk
Tepe Sialk () is a large ancient archeological site (a ''tepe'', "hill, tell") in a suburb of the city of Kashan, Isfahan Province, in central Iran, close to Fin Garden. The culture that inhabited this area has been linked to the Zayandeh Rive ...
Notes
References
Populated places in Natanz County
{{Natanz-geo-stub