The Capital of China is, by far, the 3rd most populated city in the world. Having population of 21.5 million (21,516,000), with a population density of 1,300/km2, it is countryâs center for education, culture and politics. Talking about politics, this city is the hub of politics in the country for, as long as, eight centuries.
A pearl is an organic mineral mixture formed with the soft living tissue of a shelled mollusk.Chemically pearls are made of calcium carbonate, either the mineral aragonite or a mixture of aragonite and calcite, sometimes also with minor vaterite.Pearls are used as gemstones, but are not regarded as true minerals due to their organic origin. pearl is an organic mineral mixture formed with the soft living tissue of a shelled mollusk.
It is the biggest manmade pearl in the world. Composed of fluorite, this gem was ground into a pearl shape over the course of three years. The green pearl has a tendency to glow in the dark. Discovered in Mongolia, this rare and precious pearl is valued at a staggering price of $139 million. It is the most expensive pearl on the market. 99 Shares Share On Facebook