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Umangite

Index Umangite

Umangite is a copper selenide mineral, Cu3Se2, discovered in 1891. [1]

12 relations: Argentina, Clausthalite, Copper, Germany, Harz, Hermann–Mauguin notation, List of minerals, Mohs scale of mineral hardness, Selenide minerals, Selenium, Sweden, Tetragonal crystal system.

Argentina

Argentina, officially the Argentine Republic (República Argentina), is a federal republic located mostly in the southern half of South America.

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Clausthalite

Clausthalite is a lead selenide mineral, PbSe.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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Harz

The Harz is a Mittelgebirge that has the highest elevations in Northern Germany and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia.

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Hermann–Mauguin notation

In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.

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List of minerals

This is a list of minerals for which there are articles on Wikipedia.

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Mohs scale of mineral hardness

The Mohs scale of mineral hardness is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.

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Selenide minerals

Selenide minerals are those minerals that have the selenide anion as a main component.

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Selenium

Selenium is a chemical element with symbol Se and atomic number 34.

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Sweden

Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.

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Tetragonal crystal system

In crystallography, the tetragonal crystal system is one of the 7 crystal systems.

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References

[1] https://en.wikipedia.org/wiki/Umangite

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