Synthetic stone

Japanese: synthetic stone(英語表記)syntheticstone
Synthetic stone

…Before that, although they looked similar, they were either imitation stones with different compositions or uncrystallized, or regenerated stones made by solidifying powdered natural stones. Synthetic stones, that is, artificial crystals used for jewelry, became possible to grow artificially with the same composition, crystallization, and other characteristics as natural stones in 1904, when A. Verneuil of France developed a method for producing synthetic rubies. The recent rapid progress in synthetic gemstone technology is due in large part to the development of single crystal growth techniques, which were born out of the demands of various fields of modern science, rather than to developments for use in jewelry. …

*Some of the terminology that refers to "synthetic stone" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…それ以前には,外観的な類似はあっても,成分の不同や結晶化されていない模造石や天然石粉末を固めた再生石であった。合成宝石(シンセティック・ストーンsynthetic stone),つまり宝飾用に使われる人工結晶が,天然石と成分,結晶など特性を同じくして人工的育成が可能になったのは,1904年フランスのベルヌーイA.Verneuilによる合成ルビーの製造法に始まる。最近の合成宝石技術の長足な進歩は,宝石用としての開発よりも,むしろ近代科学の各分野の要求によって生まれた単結晶育成の技術の発達によるところが大きい。…

※「synthetic stone」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

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