Gallium copper ore (English spelling)

Japanese: ガリウム銅鉱 - がりうむどうこう(英語表記)gallite
Gallium copper ore (English spelling)

A sulfide mineral whose main component is gallium (Ga). In 1958, it was described as the first independent gallium mineral from the Tsumeb mine in Namibia. It corresponds to the Ga-substituted iron (Fe) of chalcopyrite and belongs to the chalcopyrite system. It has not yet been reported as euhedral. It occurs in some deep-thermal polymetallic deposits, forming a complex coexistence relationship. It has not yet been reported to occur in Japan.

Coexisting minerals include bornite, chalcocite, cobaltite, sphalerite, pyrite, galena, renierite (chemical formula (Cu,Zn) 11Fe4 (Ge,As) 2S16 ) , and germanite. Identification has not been described as no individual grains large enough to reveal macroscopic properties have yet been found. The name refers to the presence of the element gallium.

[Akira Kato March 18, 2016]

[References] | Chalcopyrite | Gallium | Euhedral [Supplementary information] | Gallium copper ore (Data Note)

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

ガリウム(Ga)を主成分とする硫化鉱物の一つ。1958年ガリウムの最初の独立鉱物としてナミビアのツメブTsumeb鉱山から記載された。黄銅鉱の鉄(Fe)のGa置換体に相当し、黄銅鉱系に属する。自形未報告。深熱水性多金属鉱床の一部に産し、複雑な共存関係を構成する。日本では産出はまだ報告されていない。

 共存鉱物は斑(はん)銅鉱、輝銅鉱、方輝銅鉱、閃(せん)亜鉛鉱、黄鉄鉱、方鉛鉱、レニエル鉱reniérite(化学式(Cu,Zn)11Fe4(Ge,As)2S16)、ゲルマン鉱など。同定は、肉眼的な性質が得られるほど大きな独立粒が未発見なので記載されていない。命名は元素ガリウムの存在にちなむ。

[加藤 昭 2016年3月18日]

[参照項目] | 黄銅鉱 | ガリウム | 自形[補完資料] | ガリウム銅鉱(データノート)

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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