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Andyrobertsite

Index Andyrobertsite

Andyrobertsite is a rare, complex arsenate mineral with a blue color. [1]

5 relations: Arsenate minerals, Hermann–Mauguin notation, Monoclinic crystal system, Namibia, Tsumeb.

Arsenate minerals

Arsenate minerals usually refer to the naturally occurring orthoarsenates, possessing the (AsO4)3− anion group and, more rarely, other arsenates with anions like AsO3(OH)2− (also written HAsO42−) (example: pharmacolite Ca(AsO3OH).2H2O) or (very rarely) − (example: andyrobertsite).

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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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Monoclinic crystal system

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

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Namibia

Namibia, officially the Republic of Namibia (German:; Republiek van Namibië), is a country in southern Africa whose western border is the Atlantic Ocean.

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Tsumeb

Tsumeb (Otjiherero name: Okavisume) is a city of 15,000 inhabitants and the largest town in Oshikoto region in northern Namibia.

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References

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

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