Tag Archives: diamond
California Woman Went Looking for Gold, She Found Diamond Instead
A California woman says she found a 1½ carat diamond while mining gold near the Sierra Nevada foothills town of Foresthill. “I was like ‘Oh, my god, I found a diamond,’ ” said Jillian Kelly. Kelly, 49, left her Silicon … Continue reading
World’s Second Largest Rough Diamond Too Big to Sell
Lesedi la Rona is the largest diamond discovered in more than a century, and the second-biggest ever found. A Canadian diamond-mining company may be forced to cut its prize diamond after failing to find a buyer at Sotheby’s last summer, … Continue reading
How to Turn Peanut Butter Into a Diamond
A little pressure and a lot of heat can turn some Skippy into condensed carbon. Every so often, Dan Frost hears a dull thud and his office floor vibrates. It can only mean one thing: one of his experiments has … Continue reading
Pastor finds 706-carat giant diamond in Sierra Leone
A 706-carat diamond is pictured on March 16, 2017 in Freetown, Sierra Leone © Saidu Bah / AFP A pastor working in the mines of eastern Sierra Leone has unearthed a 706-carat diamond. The large stone was discovered by Emmanuel … Continue reading
Scientists Solve Puzzle of Turning Graphite into Diamond
Scientists Have Discovered a Flaw in How We Think Graphite Turns Into Diamonds How to make even harder crystals. Diamonds typically come in two ‘flavours’: a cubic structure valued in jewellery; and a tough, ‘hexagonal’ form of crystal called lonsdaleite. … Continue reading
Another Huge Diamond Discovered in Angola
The 227-carat stone was present in a brand new mining block on the Lulo mine. Photo courtesy of Lucapa Diamond Company. Weighing 227 carats, newest gemstone from Lucapa’s Angolan diamond mine is its second largest thus far A 227-carat diamond, … Continue reading
Moissanite: The Second Hardest Mineral in Nature after Diamond
The colours seen in moissanite from the Mount Carmel space of northern Israel vary from darkish blue to mild inexperienced. Formula: SiCSystem: HexagonalColour: Green, black, Blue, Colorless, Green yellow, YellowLustre: VitreousHardness: 9½ Moissanite is the identify given to naturally occurring … Continue reading
187.7ct Foxfire diamond found in sub-Arctic ice
The Foxfire diamond is the most important recognized uncut, gem-high quality diamond mined in North America. (Smithsonian Museum of Natural History/Amadena Investments, LLC ) Unlikely there shall be a tough diamond of this measurement popping out of North America once … Continue reading
Pink diamond mystery solved: What makes pink diamonds pink?
Image: Natural History Museum, Los Angeles County They’re one of the world’s rarest jewels – but nobody knows for certain why pink diamonds are pink. The research suggests that a pink diamond’s colour is dependent on both wavelength and intensity … Continue reading
Scientists have made a diamond that’s harder than diamond
Scientists have made a diamond that’s harder than diamond Nature’s toughest material just got upgraded. When most people think about the hardest naturally occurring material on Earth, they think of diamonds – those pretty stones in our engagement rings that … Continue reading