Generally speaking, these crustal movements will mix different kinds of rocks together, but with the gradual production of organic organisms, the number of compounds has increased significantly, and the contents of calcium and carbon have also increased significantly. This almost coincided with the pan-African orogeny during the formation of Gondwana continent.
These events created perfect conditions for the formation of gems. During the Ural orogeny (about 300 million years ago) and Himalayan orogeny (about 50 million years ago), almost all gem deposits were produced.
Many of these gems were discovered at the beginning of human history, but others were not discovered until recently. According to the discovery time of several important representative gems, this paper briefly introduces the discovery history of these important gems from ancient times to the present.
Amber (8000 BC)
The oldest amber can be traced back to about 320 million years ago, but it was not discovered until about 8000 BC.
Lapis lazuli (4500 BC)
Historians believe that the connection between human beings and lapis lazuli can be traced back to more than 6500 years ago. At that time, this gem was cherished by ancient civilizations because of its vivid and exquisite colors.
Emerald (3500 BC)
The most famous emerald mine in ancient times was in Egypt. They are called Cleopatra mine, and mining began as early as 3500 BC.
Tourmaline (1550)
In Brazil in the16th century, a Spanish conqueror washed away the dirt on the green tourmaline crystal and confused this vibrant gem with jade. His confusion lasted until19th century, and scientists regarded tourmaline as another unique mineral species.
Amethyst (1600)
Legend has it that in the17th century, a Spanish conqueror discovered the location of amethyst in a mine. He married a local princess named Anashch and gave him this amethyst as a dowry. Then it disappeared for more than three centuries, and it didn't reappear in the market until the 1970s.
Aquamarine (1723)
Aquamarine was first discovered in Aduchalon Mountains in Siberia in 1723. This site is rich in mineral deposits and will soon become the main mining site.
Emerald (1830)
Alexandrite was discovered by miners in Russian Urals in 1830. At first, the miners thought it was emerald. When the trace elements of the gem turned red under the light of the bonfire, people realized that it was not an ordinary gem.
Kunwu Mine (1902)
1902, George Frederick Kunz, a world-renowned gemologist, was the first person to describe the discovery of the Kunming zinc mine in California, USA.
Morganite (19 10)
19 10, george frederick Kuntz proposed to name it "Morganite" at a meeting of the New York Academy of Sciences in memory of his friend and benefactor JPMorgan Chase.
Tan Sangyan (1967)
1967, an accidental discovery at the foot of Kilimanjaro changed the gem world forever. Manuel De Sosa discovered this extraordinary beauty on a weekend expedition. This gem is a rare blue banded mineral, so it is named after the place where it was found.
Chrome diopside (1988)
1988, a major new discovery of chromium-containing diopside was discovered in Russia. This material, called chrome diopside, did not enter the market until the end of 1989 when the Berlin Wall fell.
Csarite Diamond Company (2006)
In 2006, cesium beryl was first mined in the Anatolian mountains of Turkey. Since then, the supply has been very unstable. In terms of quantity, only one Csarite diamond is unearthed from every 10000 cut and polished diamonds every year.
Aquaprase "
In 20 14, this brand-new and energetic variety of chalcedony was discovered in an unknown place in Africa, and it was named "Aquaprase", which means "blue-green".
Friends who like jewelry and jade luxury goods remember to pay attention to me, and the excitement should not be missed [cute].