Several years ago industry giant DeBeers went on-record with plans to go carbon-neutral at some of its mines by 2022. Now nine of DeBeers' sightholder-producers are pledging to work toward the same goal of carbon-neutrality.
Professional insight and education from from IGI Worldwide
Treatments have been used to enhance the appearance of gemstones since ancient times. The Egyptians, Greeks and Romans used dyes, coatings, oils and other methods to improve the color, durability and luster of their gemstones and pearls. But the most fascinating and fanciful tool used for enhancements may very well be the humble chicken.
Have you ever heard of “trapiche” gemstones? Those elegant six- pointed stars, so unique, so rare, so peculiar, such as emerald-beryl, ruby-corundum and sapphire-corundum, garnet, tourmaline and chiastolite? What about Carmel Sapphire, never found before on the whole terraqueous globe
Right now there are delicious hot-dog, hamburger, steak and brisket barbecues occurring across the USA. There are potato salads, crisps and coleslaw. There's corn on the cob and baked beans. I am inspired to mark America's birthday with the sparkle of three American gemstones, all local to the USA, in her three patriotic colors.
An extremely rare variety of beryl which gets its red color from trace amounts of manganese, the Utah Geological Survey estimated that one crystal of red beryl is found for every 150,000 gem-quality diamonds. In 2006 the Jewelers Association designated red beryl as the world's rarest colored gemstone.
Whether it's imagination, disagreement or politics over rare and expensive objects, or planets aligning poorly - there are a number of gemstones rumored to curse those who own them. Of course, in at least one famous case below, the rumors may have been exaggerated to appeal to a buyer. But whatever the case there's entertainment value in what I'm bringing below.
Just imagine - a humble mapmaker’s son travels the ancient world, discovers fantastic treasures, rescues a damsel and rises to the highest levels of French aristocracy. If you don't know the story, “The French Blue" is a terrific read for true-lovers of diamonds, gemstones, travel, excitement and romance.
Four of the most magnificent diamonds in recent years have come from the same Lucara-owned Karowe Diamond Mine in Botswana in recent years. I thought to assemble a visual feast of delicious rough and how they polished. My sparkling smorgasbord even includes both light and dark meat.
Rough sellers are partnering with technology providers to facilitate digital-scans, videos and potential polishing plans for rough diamonds to their customers. Originally intended to facilitate pre-selection of choices ahead of traditional tenders, remote-purchasing has now become an option.