What are some of the ethical dilemmas faced by mineral collectors and dealers?

Jan 10, 2024 ... ... world's rarest and most expensive metals. Rare earth elements are needed in particular for magnets, a vital component in many electrical ... Feb 27, 2023 ... Speaking at BMO's 32nd annual Global Metals, Mining and Critical Minerals Conference, ICMM's Rohitesh Dhawan argues that the most valuable ... In most cases ... Because of their relatively high content of valuable metals, the mining of massive sulphides may be profitable for some companies. Oct 25, 2021 ... ... world) where rare and colorful minerals can be found. ... Tourmaline is the official State Mineral of Maine, and the most valuable and highly ... May 29, 2024 ... ... mineral resources, some more so than others. Africa is home to approximately 30% of the world's entire mineral reserves. While some ... In Virginia minerals are mined for industrial purposes, collected by enthusiasts, and used for scientific research to help us better understand the Earth. The ... Aug 30, 2023 ... Copper is also one of the world's most recyclable metals. Chile holds more than 20% of the world's copper reserves – worth around $1.6trn. Ore is rock or sediment that contains one or more valuable minerals, typically metals, that can be mined, treated and sold. ... Most of the world's copper comes ... 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. The La Madona Rosa, a specimen of rose quartz, set a price record as the most expensive fine mineral specimen ever offered at an auction.