... They are colored red (iron, Fe2O3 ), green (chromium , Cr2O3 ), blue (iron cyanide), cobalt blue (cobalt, CoO), yellow (chromic acid), black (carbon), etc., but because they are made of the same inorganic pigments as natural components, they are stable and permanent, and are treated as being exactly the same in value as natural stones. There are also agates with various names, such as moss agate, which contains chlorite and manganese oxide minerals and shows a moss-like or vegetative pattern. [Chikayama Akira] *Some of the terminology that mentions "moss agate" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…赤色(鉄,Fe2O3),緑色(クロム,Cr2O3),青色(シアン鉄),コバルト青色(コバルト,CoO),黄色(クロム酸),黒色(炭素)などに着色されているが,天然成分と同じ無機顔料なので,安定していて永久性があるため,価値的には天然石とまったく同一に取り扱われる。その他,クロライトchlorite(緑泥石)や酸化マンガンの鉱物が内包されて苔状もしくは草木状模様を示すモス・アゲートmoss agate(苔メノウ)など各種の名称のアゲートがある。【近山 晶】 ※「moss agate」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 |
>>: Mössarna (English spelling)
A heavy bomber of the Imperial Japanese Army. Its ...
A standard star for determining the brightness and...
It is a general term for crustal movements in whi...
...During and after World War II in the 1940s, th...
...It is also used as an ingredient in canned goo...
...JS Bach also arranged many works by Vivaldi an...
A fish of the family Perciformes. Local names incl...
《 Low pathogenic avian influenza 》⇒Low pathogenic ...
...The head, body and both legs have large hollow...
During the Heian period, it was called "Uta ...
...However, the number of librarians in school is...
…There are many more types of nucleases than synt...
...In stark contrast to the traditional Chinese a...
A country occupying the island of Cyprus in the ea...
A representative painter of 18th-century French R...