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The discovery represents a new species of arthropod, a category of animals that includes spiders and insects. Hidden underground, in shining fool's gold, signs of life from millions of years ago ...
Pyrite's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and brazil, primarily used to refer to pyrite found in coal. [8] [9]
The specimen was preserved in pyrite, or fool's gold, making it easy to produce 3D models of the fossil using CT scans. Credits: Luke Parry/Yu Liu/Ruixin Ran (3D models). - courtesy Luke Parry/Yu ...
Fool's gold – a mineral, iron disulfide or pyrite; can form oil of vitriol on contact with water and air. Fulminating silver – principally, silver nitride, formed by dissolving silver(I) oxide in ammonia. Very explosive when dry. Fulminating gold – a number of gold based explosives which "fulminate", or detonate easily.
Fool's Gold was released on February 8, 2008, in the North America and grossed $21.5 million in 3,125 theaters its opening weekend, ranking #1 at the box office. [6] The film grossed over $110.5 million worldwide — $70.2 million in the North America and $40.3 million in other territories. [2]
“The wholesale retailer began selling gold online in September and 1 oz. gold bars on Friday were going for $2,069.99, with a limit of two bars per Costco membership,” CNN says.
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Calaverite, or gold telluride, is an uncommon telluride of gold, a metallic mineral with the chemical formula AuTe 2, with approximately 3% of the gold replaced by silver.It was first discovered in Calaveras County, California in 1861, and was named for the county in 1868.