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List of countries by aluminium production: Bauxite [7] Australia Guinea: List of countries by bauxite production: Bismuth [8] China Vietnam: List of countries by bismuth production: Copper [9] Chile Peru: List of countries by copper production: Chromium [10] South Africa Turkey: List of countries by chromium production: Gold [11] China Australia
This is a list of countries by diamond production, ... based on the British Geological Survey Mineral Statistics Summary for 2016. [3] 2016 Diamond production
A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, ... World production of corundum using this method reaches 1000 million carats a year.
These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones. Gemstone diamond producers [ edit ]
2012 world gold output (in kilograms) Trends in five of the top seven gold-producing countries This is a list of countries by gold production in 2022. [1]Until 2006, South Africa was the world's largest gold producer.
Zambia is the world's second biggest producer, with its Kafubu River area deposits (Kagem Mines) about 45 km (28 mi) southwest of Kitwe responsible for 20% of the world's production of gem-quality stones in 2004. [28] In the first half of 2011, the Kagem Mines produced 3.74 tons of emeralds. [29]
Main jade producing countries. Jade is an umbrella term for two different types of decorative rocks used for jewelry or ornaments.Jade is often referred to by either of two different silicate mineral names: nephrite (a silicate of calcium and magnesium in the amphibole group of minerals), or jadeite (a silicate of sodium and aluminum in the pyroxene group of minerals). [1]
Currently, gem production totals nearly 30 million carats (6.0 tonnes; 6.6 short tons) of cut and polished stones annually, and over 100 million carats (20 tonnes; 22 short tons) of mined diamonds are sold for industrial use each year, as are about 100 tonnes (110 short tons) of synthesized diamond. [64]
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