Chromium turns the corundum pink or red, and that's how we get rubies. What's more, whole other minerals – such as rutile (titanium dioxide) and zircon – can get trapped within sapphires as ...
Corundum is a mineral that contains many of the properties of transparent aluminium, while in 2009, TA was successfully created in a lab, though only existed for 40 quadrillionths of a second ...
After an initial burst of activity 100 years ago, the production of these gemstones has slowed to a trickle and the majority of the corundum from these mines today is of industrial grade. Despite ...
researchers have found that taking a daily supplement containing antioxidant vitamins and minerals slows progression of late-stage dry age-related macular degeneration ...