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Tokyoite

Index Tokyoite

Tokyoite is a rare barium manganese vanadate mineral with the chemical formula: Ba2(Mn3+,Fe3+)OH(VO4)2. [1]

17 relations: Ångström, Barium, Braunite, Chemical formula, Hermann–Mauguin notation, Honshu, Hyalophane, International Mineralogical Association, Italy, Japan, Kantō region, Manganese, Metamorphism, Monoclinic crystal system, Ore, Tokyo Prefecture, Vanadate.

Ångström

The ångström or angstrom is a unit of length equal to (one ten-billionth of a metre) or 0.1 nanometre.

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Barium

Barium is a chemical element with symbol Ba and atomic number 56.

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Braunite

Braunite is a silicate mineral containing both di- and tri-valent manganese with the chemical formula: Mn2+Mn3+6.

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Chemical formula

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

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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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Honshu

Honshu is the largest and most populous island of Japan, located south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Straits.

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Hyalophane

Hyalophane or jaloallofane is a crystalline mineral, part of the feldspar group of tectosilicates.

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International Mineralogical Association

The International Mineralogical Association (IMA) is an international group of 38 national societies.

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Italy

Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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Japan

Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.

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Kantō region

The is a geographical area of Honshu, the largest island of Japan.

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Manganese

Manganese is a chemical element with symbol Mn and atomic number 25.

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Metamorphism

Metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change).

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Monoclinic crystal system

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

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Ore

An ore is an occurrence of rock or sediment that contains sufficient minerals with economically important elements, typically metals, that can be economically extracted from the deposit.

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Tokyo Prefecture

is a former Japanese government entity which existed between 1869 and 1943.

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Vanadate

In chemistry, a vanadate is a compound containing an oxoanion of vanadium generally in its highest oxidation state of +5.

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References

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

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