Crystals are beautiful rock formations that have amazed humans for thousands of years. They are used for many different things, not just for decoration. Many of the first radios ever invented used crystals to transmit the radio waves. Some instruments, like quartz watches and laser crystals, use...
Often gold is found with other metals, namely silver. They can be embedded in rocks with quartz or sulfide minerals. This includes realgar, stibnite, and pyrite (also known as "Fool's Gold"). You will even find gold in the oceans, which contain more than 20 million tons of the precious...
Investigation for gold and base metals mineralization and petrochemical characteristics of the rocks of upper parts of Bagrot valley Gilgit-Baltistan Pakistan The calculated CIPW norm indicates they are quartz-, hypersthene- and corundum-normative. First report of a Middle-Upper Permian magmatism in ...
Quartz notes that it's Biles' strength-to-weigh ratio which "lets her jump to about double her actual height" while keeping her body straight during the layout. And the Times backs up the assertion that when Biles is "at the peak of this pass," Biles reaches "nearly twice her own heig...