23 Oct 2019
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New large diamond found at ALROSA's Verkhne-Munskoye deposit
ALROSA, the world's largest diamond mining company, extracted a large rough diamond from the Zapolyarnaya pipe of the Verkhne-Munskoye deposit.
By: Diamond World News Service
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Jul 16 2019 11:19AM
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Reference: 22369  

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The gem-quality rough diamond was mined on July 9. Its weight is 63.15 carats. The crystal has an octahedral shape with small chips on the edges and tops. The mined diamond is transparent with a yellow hue.

In March, ALROSA conducted an experiment to clarify the diamondiferous nature of the northwestern part of the Zapolyarnaya pipe at the Verkhne-Munskoye deposit. In 5 days, the company extracted 239 large (over 8 carats) diamonds from the Zapolyarnaya pipe, or more than 3.5% of the number of diamonds extracted during the experiment. These figures exceed the data for other pipes of the ALROSA Group.

The first large (over 50 carats) diamonds of the Verkhne-Munskoe deposit were a 51.49-carat crystal, mined immediately after the official launch in autumn 2018, and a unique 98.8-carat diamond. Both stones were recognized as gem-quality diamonds

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