In the mining world, a lot of precious gems have been exploited. Thre value depends on many characteristics that only experts evaluate. In this article, you learn what are those so expensive gems that come deep from mother earth´s crust.
“Black opals are the rarest form of all precious opals and are characterized by their dark body tone and rich colors or ‘fire’. Almost all of the world’s black opals are mined in Australia (which also is the world’s largest overall producer of opals, at 90 percent).
Value: Up to AUD $20,000/US $15,700 per carat
Painite is a red-colored, hexagonal-shaped gem, thought to be the rarest on the planet. It was named after the British gemologist Arthur CD Pain, who discovered it in Myanmar in 1950. It has only ever been found in that region, making it incredibly hard to locate.
Value: US $50,000-$60,000 per carat
Rhodium is a rare, silvery-white element that is corrosion resistant. It also one of the rarest elements on earth and is used in catalytic converters, glass production, and to plate sterling silver jewelry. It is principally sourced in South Africa, the Ural Mountains, and North America.
Value: US $1,360 per troy ounce (1 troy ounce = 1.097 ounce)
Undoubtedly one of the most popular minerals in the world, gold has long been treasured throughout history. It is not the world’s most expensive mineral, but its enduring appeal means it is considered a ‘safe haven’ investment, as well as an object of beauty. Yellow gold is the most popular, although it comes in a range of other hues, including white gold and rose gold.
Value: US $1,292 per troy ounce” https://www.miningpeople.com.au/news/the-10-most-expensive-minerals-in-the-world