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necklace set manufacturers Naming rules for natural gemstones

Публикувано на от Кингджи

In a broad sense, natural gems include various colored gems, диаманти, нефрит, organic gems, и т.н.. Chivalrous natural gems refer to natural colored gems and diamonds. Their naming methods have clear international national standards to follow.

1. The naming of natural gems

The naming principle of natural gemstones: when naming natural gemstones, they only need to be named after the standard name stipulated by the national standard, and there is no need to indicate the word “natural”. Например, natural diamonds should be named “диаманти”; the correct name of natural jade is “нефрит”, and it cannot be written as “A-goods jade”.

The place of origin does not participate in the naming, като “South Africa Diamond” и “Myanmar Sapphire”.

It is forbidden to use a certain type of gemstone named by a combination of two or more natural gemstones, като: “ruby spinel” и “alexandrite sapphire”. Except for “allex cat’s eye”.

It is forbidden to use ambiguous business names, като “blue crystal”, “emerald”, и “semi-precious stone”.

2. The naming of natural jade

The basic name of natural jade or its mineral (rock) name can be used directly, и думата “Нефрит” can be added after the name of natural mineral or rock, without the word “natural”. “Natural glass” is excluded.

No need to carve the shape and name the natural jade.

You cannot use “Нефрит” или “Нефрит” alone to directly replace the specific natural jade name.

The basic names of natural jade with place names listed in GB/T 16552-2010 “Jewelry and Jade” do not have the meaning of origin, such as Hetian jade, Xiu jade, Tanglin stone, Dushan jade, Shoushan stone, и т.н..

3. Natural organic gems

Directly use the basic name of natural organic gemstones without adding the word “natural”, except for “natural pearls”, “natural seawater pearls” и “natural freshwater pearls”.

“Cultivated pearl” can be referred to as “Перла”, “seawater cultured pearl” can be referred to as “seawater pearl”, и “freshwater cultured pearl” can be referred to as “freshwater pearl”.

The place of origin does not participate in the naming of natural organic gemstones, като “Baltic Amber”.

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