Synthetic gemstone refers to the quality or non-quality body that is wholly or partly manufactured by man and has known counterparts in nature. Its physics is like synthetic ruby, and its physical properties, chemical composition and crystal structure are basically the same as the corresponding natural gemstones .
例えば, synthetic ruby, its physical properties (such as refractive index, hardness, 等) and chemical composition are basically the same as the corresponding ruby, but the value is different.
The name must add the word “synthetic” before the name of the corresponding natural jewellery jade. Such as: “synthetic ruby”, “synthetic emerald” and so on.
have to be aware of is:
(1) The name of the manufacturer or manufacturer cannot be used for direct naming. Such as: “Chatham (Chatham) エメラルド”, “Linde (Linde) エメラルド” and so on.
(2) Nouns that are easy to be confused or ambiguous should not be used for naming. Such as: “Rubin Stone”, “Red Corundum”, “Synthetic Products” and so on. The names “Chatham emerald” そして “Rubin stone” can make people mistaken for natural jade.
2. man-made gemstone
Artificial gems refer to crystalline or amorphous bodies that are manufactured artificially and have no known counterparts in nature. Such as artificial yttrium aluminum garnet.
Glass and plastic are common in the artificial gem market. More common in some inexpensive jewelry.
The name must add the word “人工的な” 素材の名前の前. Such as: “artificial yttrium aluminum garnet”, “artificial strontium titanate”, 等, except for “ガラス” そして “plastic”.
have to be aware of is:
(1) The name of the manufacturer or manufacturer cannot be used for direct naming. Production methods are not allowed to participate in the naming.
(2) Nouns that are easy to be confused or ambiguous should not be used to name. 例えば, “Austrian diamonds” can make people mistakenly think that they are diamonds made in Austria, but it is actually a name of lead glass by merchants.