Precious metal
A precious metal is a rare, naturally occurring metallic chemical element of high economic value.Chemically, the precious metals tend to be less reactive than most elements (see noble metal). They are...
Precious metal - Wikipedia
These Are The Countries With The Biggest Gold Reserves
Gold's price has increased by more than 25% so far in 2016, and in July analysts from UBS argued that the metal has entered a so-called new phase.
The Making of a Roman Silver Cup
Ancient Roman silversmiths developed their craft to the highest levels of refinement and beauty. Applying fire and basic tools to the shaping of precious metals, many of their sophisticated techniques...
Ten Spectacular Golden Treasures of the Ancient World
Throughout the centuries, people have long been captivated by the prospect of finding a long lost treasure. While many have dedicated their entire lives to the search for gold before ‘striking it luck...
Record-high Pressure Reveals Secrets Of Matter
At extremely high pressure even the innermost electrons in the atomic nuclei of the metal osmium begin to interact with each other, a phenomenon never witnessed before. The findings have been publishe...
Local Asteroid Passing By Earth May Be Worth $5.4 Trillion
An asteroid that could contain trillions of dollars’ worth of precious platinum is set to zoom past Earth Sunday. Asteroid 2011 UW-158, which is approximately 1,500 feet wide, is estimated to contain ...
Millions in WWII silver reclaimed from deep ocean
It took more than seven decades, but England finally got its delivery of tons of silver coins. For most of those years, the money was deep at the bottom of the Atlantic, the monetary casualty of a cru...
Gold in faeces 'is worth millions and could save the environment'
Fortunes could be saved from going down the drain by extracting gold and precious metals from human excrement, scientists suggest. Sewage sludge contains traces of gold, silver and platinum at levels ...
Trading in Gold: The Secretive Dealings of One of the World’s Richest Industries
From the mines of a gold-rich empire in the Sahara Desert to the secretive trading rooms of the London Bullion Market, Matthew Hart chronicles his travels through the domain of gold hunters
Silver objects
www.ancient-treasure.info | The Treasures of the ancient Thracians - The Borovo Treasure. Silver thracian treasure from IVc. BC. Found 1974 near the village ...
Ruthenium
The Professor finally corrects an embarrassing mistake in our video update for element number 44. More videos and extra stuff at http://www.periodicvideos....
Rhodium
Rhodium is element number 45 and ha sthe chemical symbol Rh. All the elements on video at http://www.periodicvideos.com/
Iridium
Newer and better iridium video at: http://www.youtube.com/watch?v=cuovE4OQi2g Iridium is element number 77 on the periodic table. More elements at at http://...
Osmium
Osmium is element number 76. All the elements at http://www.periodicvideos.com/
Precious metal
Precious Metals.
Platinum
Our newer and better platinum video at http://www.youtube.com/watch?v=bBBy4-0uUC4 Platinum - often associated with jewelery and motor cars - is element numbe...
Gold
Gold is a chemical element with symbol Au (from Latin: aurum) and atomic number 79. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable and ductile metal. Chemicall...
Gold - Wikipedia
Palladium
Palladium is a chemical element with symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after the asteroid Pal...
Palladium - Wikipedia
Platinum
Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, gray-white transition metal. Its name is derived from the Spanish te...
Platinum - Wikipedia
Ruthenium
Ruthenium is a chemical element with symbol Ru and atomic number 44. It is a rare transition metal belonging to the platinum group of the periodic table. Like the other metals of the platinum group, r...
Ruthenium - Wikipedia
Rhodium
Rhodium is a chemical element with symbol Rh and atomic number 45. It is a rare, silvery-white, hard, and chemically inert transition metal. It is a member of the platinum group. It has only one natur...
Rhodium - Wikipedia
Osmium
Osmium (from Greek osme (ὀσμή) meaning "smell") is a chemical element with symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a...
Osmium - Wikipedia
Iridium
Iridium is a chemical element with symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is generally credited with being the second dense...
Iridium - Wikipedia
Silver
Silver is a chemical element with symbol Ag (Greek: άργυρος árguros, Latin: argentum, both from the Indo-European root *h₂erǵ- for "grey" or "shining") and atomic number 47. A soft, white, lus...
Noble metals
In chemistry, the noble metals are metals that are resistant to corrosion and oxidation in moist air (unlike most base metals). The short list of chemically noble metals (those elements upon which alm...
Noble metals - Wikipedia
Platinum group
The platinum-group metals (abbreviated as the PGMs; alternatively, the platinoids, platinides, platidises, platinum group, platinum metals, platinum family or platinum-group elements (PGEs)) are six m...
Synthesis of noble metals
The synthesis of precious metals, a symbolic goal long sought by alchemists, is only possible with methods utilizing nuclear physics, currently involving either nuclear reactors or particle accelerato...
Synthesis of noble metals - Wikipedia
Digital gold currency
Digital gold currency (or DGC) is a form of electronic money based on ounces of gold. It is a kind of representative money, like a US paper gold certificate at the time (from 1873 to 1933) that these ...
Golden Horns of Gallehus
The Golden Horns of Gallehus were two horns made of sheet gold, discovered in Gallehus, north of Møgeltønder in Southern Jutland, Denmark.The horns date to the early 5th century, i.e. the beginning o...
Golden Horns of Gallehus - Wikipedia