What are impact diamonds and how are they formed?

Nov 25, 2023 ... Here are the top 10 most valuable minerals found on Earth based on their market value per unit of weight. Most natural diamonds are formed at high-pressure high-temperature conditions existing at depths of 140 to 190 kilometers (87 to 120 miles) in the Earth mantle. Mar 30, 2023 ... Scandium is a soft, silvery transition element which occurs in rare minerals from Scandinavia. Scandium can be found in houses in equipment such ... Aug 29, 2024 ... Value: Top-quality jadeite can exceed $30,000 per carat, making it one of the most expensive minerals in the world​(Geology Science). 2. Painite ... Apr 9, 2019 ... Some of the most valuable minerals include the 17 rare earth elements (REEs), precious metals, lithium, and uranium. Although land-based ... Dec 4, 2020 ... Blue Diamond is one of the rarest and expensive gemstones in the world. The Oppenheimer Blue is the largest blue diamond ever sold at auction. Jun 16, 2012 ... Kidney stones are the most expensive mineral in the world. I don't know what they're made of, but it's not tea, milk, cheese or soda pops. I've ... Mar 25, 2022 ... The world economy is heavily reliant on the sustainable supply of rare metals and valuable ... Separating most individual minerals by ... Ruby Stone from Pakistan ... Ruby is a precious gemstone prized for its deep red color and brilliance. It is also one of the most sought-after minerals on Earth ... Jan 14, 2021 ... Precious Metals – World's Top 10 · 1. Rhodium · 2. Platinum · 3. Gold · 4. Ruthenium · 5. Iridium · 6. Osmium · 7. Palladium · 8. Rhenium.