What are some of the challenges of identifying minerals remotely?

Feb 28, 2025 ... Who has the most rare earth minerals in the world? The countries ... precious minerals. Published On 1 May 20251 May 2025. Video ... Nov 30, 2018 ... I say the most valuable minerals are the ones that look best in your display case. ... Rare Earth Minerals. 17 upvotes · 11 comments. What ... Gold nugget A selection of precious metal elements; gold, silver, platinum, palladium, copper, ruthenium, rhodium, rhenium, osmium, iridium and mercury. They ... Feb 5, 2025 ... Curious about the highest rare earths reserves by country? These eight nations hold the world's largest reserves of rare earth metals. Jan 8, 2020 ... Ores are rocks that contain metals or valuable minerals, that can be mined for profit. ... The rarest and most valuable of all are diamond, ... 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 ... Most aquamarine is very faintly colored with the most vibrant gems being the most valuable. ... Quartz is one of the most common mineral on earth and an ... Feb 26, 2025 ... ... earth minerals, "is hard to overstate." "Securing rare earth minerals was a major agenda during the first Trump administration, where we saw ... Jul 24, 2017 ... So, which elements are the most valuable, and why? Let's meet at the most expensive elements on earth. Francium Never heard of it? That's ... May 17, 2024 ... We'll uncover the world's most valuable and rare rocks, from diamonds to rubies, exploring their origins, unique properties, and incredible worth.