Alumina Minerals

Japanese: アルミナ鉱物 - あるみなこうぶつ
Alumina Minerals

...Alnogen and halotrichite Fe 2 + Al 2 (SO 4 ) 4 ・22H 2 O are sulfate minerals, the decomposition products of clays containing iron sulfide minerals, and are found around the sulfur vents of hot spring areas, such as Owakudani in Hakone and Myoban Onsen in Beppu. When used as a high-grade refractory material or catalyst support, they have a composition of aluminum oxide and are called alumina minerals. [Minato Hideo]. ...

*Some of the terminology that mentions "alumina minerals" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このアルノーゲンおよび鉄ミョウバン石halotrichite Fe2+Al2(SO4)4・22H2Oは硫酸塩類鉱物として,硫化鉄鉱物を含む粘土類の分解生成物で,温泉地帯の硫気孔周辺,たとえば箱根大涌谷,別府明礬温泉などに産出する。 なお高級耐火物原料,触媒担体として取り扱われる場合は,酸化アルミニウムの組成であって,アルミナ鉱物と呼ばれる。【湊 秀雄】。…

※「アルミナ鉱物」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Alumina refractory bricks - Alumina refractory bricks

>>:  Aluminizing - Aluminizing

Recommend

As-Sahrā' al-Gharbīyah Desert

The great desert in western Egypt. It means Wester...

Electricity business

The business of producing (generation), transport...

Estuary Barrage (Estuary Barrage)

A weir constructed near the mouth of a river has t...

Kanichi Asakawa

Born: December 22, 1873, Nihonmatsu, Fukushima Die...

Geometric style

A term of art. A style of decorative pattern. Gen...

Amia - Amia (English spelling) bowfin

A freshwater fish belonging to the order Amiiform...

Japan Coast Guard - Japan Coast Guard

Based on the Japan Coast Guard Law (Law No. 28 of...

Osaka Loop Line

The name of the track of the West Japan Railway C...

《Okurigana method》 - Okurigana method

...This was later published as "Okurigana Ta...

Goldsmith, Oliver

Born: November 10, 1728. Pallas [died] 4 April 177...

R Technique - R Technique

...Then, led by the industrialization of society,...

Coelogyne cristata (English spelling)

…[Koichi Ejiri]. … *Some of the terminology expla...

force

...But strictly speaking, gravity has different m...

La grande bande (English spelling)

...It means an instrumental ensemble, but today i...