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Diamond discovered 'crisis' intact during 2 billion years in Russia
The 190.77-carat diamond was found in the Yakutia Republic of Siberia, Russia, just days before the new year 2020.
Found gems more expensive than diamonds, weighing 1.1kg in the Zambia mine
The jewel was identified as 5,655 carats or 1.1 kg, discovered by geologist Debapriya Rakshit and veteran miner Richard Kapeta earlier this month.
Extremely rare star ruby worth nearly 100 million USD
A name ruby
See giant blocks of emeralds in Russia
Experts estimate that this gem of 14cm x 7cm is worth about 4 million rubles (US $ 70,000).
The most expensive giant pink diamond in the world has just been found
A Russian mining company that unearthed a pink diamond could be the most expensive gem ever.
Found the most expensive giant jade of 175 tons in the world
Miners in Myanmar have dug up the world's most valuable jade with a weight of up to 175 tons.
Discovered a huge turquoise stone block in China
A huge block of turquoise stone worth about VND 33 billion has been discovered in Hubei Province, China
Find a big diamond worth more than 14 million USD
An Australian company has unearthed the diamond with the largest value in South African countries.
Unexpected uses of metals and gems
Metals and gemstones are beyond value and common uses can also be used for many other unexpected purposes.
Ruby and jade illuminate the history of the Earth
The relationship between rubies and jade with special geological conditions forms them, helping us understand more about the history of tectonic plates on Earth.