India (India): India is one of the world’s major gem suppliers, rich in diamonds, サファイア, beryl, cordierite, golden emeralds, ルビー, various garnets, amethysts, olivines, spinels, and electrical Stone, topaz and opal.
中国: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, トルマリン, ガーネット, slabstone, turquoise and agate.
日本 (日本): Japan is the kingdom of pearl production in the 20th century. 今日, it has numerous pearl farms all over the world.
Philippines: Due to the warm and clear waters of the Philippines, the country is an important South Sea pearl producing area. 加えて, the Philippines also produces gold.
Tahiti (Tahiti): Tahiti, one of the five major islands in Polynesia, has clear and unpolluted waters. It is a famous producer of black pearls and also rich in corals.
French Polynesia (Polynesia) Islands: Located in the Central Pacific Ocean, the French Polynesia Islands have smooth sea water and are clear and pollution-free, making them an excellent place for pearl cultivation.
インドネシア (lndonesia): The sea in Indonesia is warm and clear, and the country is one of the main producing areas of South Sea Pearl.
マダガスカル (マダガスカル): Madagascar is one of the world’s major gemstone suppliers, rich in aquamarine, エメラルド, サファイア, red tourmaline, pink tourmaline, green tourmaline, cordierite and color-changing labradorite.
Vietnam (Vietnam): Vietnam is rich in rubies, サファイア, various types of garnets, purple and pink spinels, rutiles and tourmalines.
Canada (Canada): Canada is the world’s third largest supplier of diamonds and a well-known supplier of nephrite.
ロシア (ロシア): The world’s fourth largest supplier of diamonds, it is also rich in emeralds, alexandrite, サファイア, garnets, spinels, nephrite and labradorite.