So, how are diamonds made? For generations, people have been captivated by diamonds, known as “the king of gemstones,” and ...

MURFREESBORO, Ark. — Visitors to the Crater of Diamonds State Park have unearthed an early 20th-century wooden water pipe that a park interpreter says once was used to help mine gems. The 4-foot ...

Alrosa’s (MCX:ALRS) International mine produced this month the largest gem-quality diamond seen in the past two years. In a press release, the world’s top diamond miner by output revealed that ...

A21 is the fourth diamond pipe of the project and was opened by Rio Tinto in 2018. The company made the decision to go ahead with Phase 1 in February 2023, investing US$40 million.

The company’s business unit Aikhal Mining accounted for over 30% of Alrosa’s total raw diamonds in 2016. It generated 12.2 million carats, worth $1.2 billion, according to the firm.

Pit-mining is the most common way to recover diamonds. In pit mining, heavy machinery, hydraulic shovels, and trucks are used to mine diamonds from the depths of kimberlite pipes Wikimedia Commons ...

BANGALORE, Aug 24 (Reuters) - Gem Diamonds Ltd posted a steep fall in profit but said recovering diamond prices in Australia could lure it to restart production this year at a pipe that was on ...

The pipes narrow as they descend into the Earth as far as 100 to 150 miles. ”Worldwide, the only types of rocks to have contained diamonds have been kimberlites,” Van Alstine said.

Diamonds are mined via three separate mining processes—pipe, alluvial, and marine. The two varieties of pipe are open-pit mining (which leads to giant holes in the earth like the massive ...

That’s where mining has an advantage.” Diamonds, mined or grown. ... pipe-shaped volcanic formations created by violent eruptions that mostly occurred hundreds of million years ago.

Aim-listed Stellar Diamonds has signed a joint venture (JV) agreement with Guinea-based Société Tassiliman, through which it secured the option to acquire up to a 100% interest in the 5 ha ...