As the saying goes, "things are rare." The reason why diamonds are precious is not only because of its low hardness, but also because of its extreme hardness and difficulty in mining. So, what are the precious stones that are more expensive than diamonds?
What are the precious stones that are more expensive than diamonds?
Blue cone mine (Benitoite)
When the blue cone mine was discovered in 1906, it was once mistaken for sapphire. At present, the only source of blue cone mine is San Bailey County, California. Although some samples of blue cones have been found in Arkansas and Japan, it is difficult to cut them into gemstones. The blue cone mine is light blue or colorless and has a record of pink gems. However, the most special feature of the blue cone mine is that it emits dazzling blue fluorescence under ultraviolet light.
Boronite (Jeremejevite)
Boraxite is a very rare blue borate mineral, the most famous of which is in Namibia, Africa. The borolite color is blue, white and colorless. It is known that the mining area is extremely rare only in the Tajik section of the Pamirs and in several small pits in Namibia, Africa and the Eifel, Germany.
é“Al-magnesium-zinc (Musgravite)
é“Almagnesite was first discovered in South Australia in 1967 and was named after the discovery of the Musgrave Mountains in Australia. Later, a small number of mineral samples were found in Greenland, Madagascar and Antarctica. Until 2005, only eight gemstones with obvious shapes and pure colors were cut out in the world.
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