Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Diamonds appeared more than 300 billion years ago. First they were found in Kimberley, South Africa.

The rich deposits of diamonds were opened in Yakutia in the mid 1950s, in general 1500 diamond pipes have been found in this region. 99% of all diamonds of Russia and more than 1/4 of the all world diamonds are mined in Yakutia.

Right now we are going to join blogger aslan and visit the city called Mirny – the diamond capital of Yakutia. The diamond pipe found there in 1955 became a city forming one.

Mirny City: Diamond Capital of Russia

Today Mirny is populated by 35 thousand people. 80% of them work in the diamond mining sphere.

Mirny City: Diamond Capital of Russia

City center.

Mirny City: Diamond Capital of Russia

Aiport in Mirny.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

The building of “Alrosa” diamond mining company.

Mirny City: Diamond Capital of Russia

Diamond pipe in Mirny opened June, 1955.

Mirny City: Diamond Capital of Russia

The mine is located next to the residential area of Mirny.

Mirny City: Diamond Capital of Russia

Since 1957 to 2001 they mined diamonds at cost of seventeen billion US dollars. Since that time the mine has become much bigger and wider.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

The depth of the mine is 525 m, its diameter is 1,2 km. It’s one of the deepest mines in the world.

Water accumulating on its bottom is a threat for the mine under the quarry. They have to continuously pump the water out.

Mirny City: Diamond Capital of Russia

In 2013 they mined diamonds of two million of carats.

Mirny City: Diamond Capital of Russia

760 people work at the mine.

Mirny City: Diamond Capital of Russia

Surveyors.

Mirny City: Diamond Capital of Russia

They have nine tunnelling machines here.

Mirny City: Diamond Capital of Russia

Each machine has 72 teeth. They regularly replaced with new ones.

Mirny City: Diamond Capital of Russia

Eight loading vehicles are working here.

Mirny City: Diamond Capital of Russia

The conveyor band is 1200 m long. In average each ton contains three carats.

Mirny City: Diamond Capital of Russia

The distance from this place to the bottom is twenty meters. There is a waterproof layer on the very bottom of the mine.

Mirny City: Diamond Capital of Russia

Water collecting system – all the water is pumped out on the surface.

Mirny City: Diamond Capital of Russia

In general ten pumps whose power is from 180 to 400 m3/h function at the mine.

Mirny City: Diamond Capital of Russia

Conveyor system works.

Mirny City: Diamond Capital of Russia

Pictures from another diamond pipe – “International” one. It is located sixteen kilometers from Mirny.

Mirny City: Diamond Capital of Russia

It is the richest diamond pipe in Mirny – eight carats per ton. Its diamonds are highly valued all over the world.

Mirny City: Diamond Capital of Russia

The mine is 1065 m deep. The general length of the tunnels is over 40 km.

Mirny City: Diamond Capital of Russia

Breaking down the ore.

Mirny City: Diamond Capital of Russia

The ore is loaded and delivered to ore passes.

Mirny City: Diamond Capital of Russia

Daily “International” mine digs 1500 tons of ore. In 2013 they mined 4,3 million carats here.

Mirny City: Diamond Capital of Russia

The work continues 24/7. They only have two holidays – New Year and the Day of miners.

Mirny City: Diamond Capital of Russia

Diamond pipe “Nyurbinskaya” created in March, 2000.

Mirny City: Diamond Capital of Russia

This mine is 225 meters deep. Potentially it can be deepened to 320 m.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Carrying capacity of these dumptrucks varies from 40 to 136 tons.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

In 2013 the mine brought 6,5 million carats.

Mirny City: Diamond Capital of Russia

In average each ton at the mine contains 4,25 carats.

Mirny City: Diamond Capital of Russia

This truck now has 300-400 carats…

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

The ore will be delivered to the factory.

Mirny City: Diamond Capital of Russia

The complex may process 1415 tons of ore annually.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Primary breaking shop and the jaw breaker. The jaw breaker processes six thousand of ore daily.

Mirny City: Diamond Capital of Russia

Secondary crushing shop.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Autogenous mill.

Mirny City: Diamond Capital of Russia

Its diameter is seven meters.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Stones are sorted according to their size.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Screw-type classifiers divides the ore according to its density.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

This machine is for the smallest diamonds – 2 mm and smaller.

Mirny City: Diamond Capital of Russia

Top-feed film-floatation machine.

Mirny City: Diamond Capital of Russia

XRL separator. Here they see how diamonds glow when X-rayed.

Mirny City: Diamond Capital of Russia

Central control station of the factory.

Mirny City: Diamond Capital of Russia

Diamond sorting center.

Mirny City: Diamond Capital of Russia

No identical diamonds exist in the nature so their classification involves sorting: 16 sizes x 10 shapes x 5 qualities, 10 colors = 8000 positions in general.

Mirny City: Diamond Capital of Russia

Vibration sieve shaker. 1500 stones inside the shaker.

Mirny City: Diamond Capital of Russia

Weighing machines deal with big ones.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

Each gemstone is estimated thrice.

Mirny City: Diamond Capital of Russia

Diamond weight is estimated in carats.

Mirny City: Diamond Capital of Russia

1 carat – 0,2 grams (200 mg).

Several times a month they find stones heavier than 50 carats.

Mirny City: Diamond Capital of Russia

The world biggest diamond weighs 621 grams, it costs 200 billion rubles (4 billion dollars).

The biggest Yakut diamond weighs 342 carats.

Mirny City: Diamond Capital of Russia

60% of all diamonds are used for making jewelry, all others are used for industrial purposes.

Mirny City: Diamond Capital of Russia

After gem-cutting a stone loses from 30 to 70% of its weight.

Mirny City: Diamond Capital of Russia

Mirny City: Diamond Capital of Russia

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4 thoughts on “Mirny City: Diamond Capital of Russia”

  1. 300 Billion years ago? The universe and everything is only 13.8 Billion years old, perhaps the author meant 300 Million years?

  2. That hole would make a nice sized Underground city in the future.A dome on top could support agriculture. The possibilities are left to one’s imagination.

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