The rich gem resources in the world are mainly concentrated in Africa, アジア, America and Oceania.
1. アジア
Asia is one of the major gemstone producing areas in the world. Gem mining has a long history, many varieties, good quality, and the best in the world. The richest ruby and sapphire mines, the oldest and best quality gold emerald, turquoise and lapis lazuli mines, precious pearls and diamonds, and world-famous jade and nephrite, as well as zircon The production area.
(1) ミャンマー. Myanmar produces medium and high-end gems such as rubies, サファイア, jadeites and spinels.
(2) スリランカ. 古代から, Sri Lanka has also been known for producing gems and is one of the five largest gem-producing countries in the world. 以上あります 60 types of gems such as rubies, サファイア, 黄金のエメラルド, aquamarines, トルマリン, スピネル, and zircons. The world’s largest sapphire crystal (体重19kg) and the world’s third star sapphire (weight 362ct) are produced in Sri Lanka.
(3) インド. India is the first country in the world to discover diamonds. 歴史の中で, many famous extra-large diamonds such as “Mountain of Light”, “Regent”, “Orlov” and other diamonds came from India and were produced in alluvial placers. The most valuable “Kashmir” sapphire produced in the Kashmir region of India is a cornflower color and a slightly purple indigo blue.
(4) その他. Lapis lazuli from Afghanistan, rubies and spinels from Pakistan, sapphires from Thailand and Cambodia, and turquoise from Iran are also quite famous.
2. Oceania (オーストラリア)
Australia is another important gem-producing region in the world, and it has become one of the major gem-producing countries in the world.
Australia is rich in opals, サファイア, ルビー, ダイヤモンド, エメラルド, オーストラリアのジェイド, zircons, ラブラドライト, and more than ten kinds of gems. その中で, opal and sapphires are the most famous. Opal production accounts for about 98% of world production. Sapphire production accounts for approximately 60% of world production. Now Australia’s diamond resources, both in reserves and output, have surpassed South Africa and other countries and rank first in the world.
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