Search results
Results from the WOW.Com Content Network
Taaffeite (/ ˈ t ɑː f aɪ t /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland.
The philosopher's stone [a] is a mythic alchemical substance capable of turning base metals such as mercury into gold or silver; [b] it was also known as "the tincture" and "the powder". Alchemists additionally believed that it could be used to make an elixir of life which made possible rejuvenation and immortality .
Electrum was often referred to as "white gold" in ancient times but could be more accurately described as pale gold because it is usually pale yellow or yellowish-white in color. The modern use of the term white gold usually refers to gold alloyed with any one or a combination of nickel, silver, platinum and palladium to produce a silver ...
Us Weekly has affiliate partnerships so we may receive compensation for some links to products and services. Gemstones are commonly used for meditation purposes — they’re also believed to ...
Agate (/ ˈ æ ɡ ɪ t / AG-it) is a variety of chalcedony, [1] which comes in a wide variety of colors. Agates are primarily formed within volcanic and metamorphic rocks.The ornamental use of agate was common in ancient Greece, in assorted jewelry and in the seal stones of Greek warriors, [2] while bead necklaces with pierced and polished agate date back to the 3rd millennium BCE in the Indus ...
The 'white gold' rush: Why lithium demand is skyrocketing and what it means for consumers. Unfortunately, it's also in short supply as the world shifts from burning fossil fuels for energy to ...
White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [5] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [4] Copper ...
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.