Golconda was a region located between the lower reaches of the Godavari, Wainganga, Wardha and Krishna-Venva rivers, in the present-day states of Maharashtra and Andhra Pradesh, central India.It is situated 11 km west of Hyderabad universally famous for the mines that have produced the world'd most famous and coveted gems, including The Hope Diamon, Idol's Eye, The Koh-i-Noor and Darya-i-Noor as well as countless others.
Reserves/Resources: Necessary volcanic activity to create diamondiferous intrusive, and extrusive igneous rock known as kimberlite.
Millions of years of erosion caused by rainfall and snow-melt unearthed the diamonds from their kimberlite tomb, washing them downstream to their final resting place within the shallow alluvial river gravels of India's Golconda region.
The Kollur Mine in Guntur district of old Golkonda kingdom, India, was one of the most productive diamond mines in India and the first major diamond center. It is situated on the right bank of the river Krishna. It operated between the sixteenth and mid-nineteenth centuries.
|Panna Diamond Mine|
Panna is a city and a municipality in Panna district in the Indian state of Madhya Pradesh. It is famous for its diamond mines.
Reserves/Resources: A large group of diamond deposits extends North-East on a branch of the Vindhya Range for 150 miles (240 km) or so.
Products: 84,000 carats per year
Owner: National Mineral Development Corporation(NMDC Ltd)
The Bunder project is Rio Tinto's first and most advanced diamond mining venture in India. The Bunder project comprises a cluster of eight lamproites (volcanic rock), located in the Bundelkhand region of Madhya Pradesh, 500 km south east of Delhi.
Reserves/Resources: 37 million tonnes, containing 27.4 million carats.Estimated mine life is 25 years.
Owner: Rio Tinto,NMDC Ltd
|Mir mine(Mirny Mine)|
The Mirny Mine in Russia is famous as the largest open pit diamond mine in the world, and as the second largest excavated hole in the world. (surpassed only by the Bingham Copper Mine in Utah). The diamond mine is located on the outskirts of Mirny, a small town in eastern Siberia.
Reserves/Resources: The mine is 525 meters (1,722 ft) deep (4th in the world) and has a diameter of 1,200 m (3,900 ft).The underground mine has an estimated life of 50 years.
Products: 10,000,000 carats (2,000 kg) per year
Owner: the Sakha diamond company
country/region: RUSSIAN FEDERATION