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Chrysocolla has a cyan (blue-green) color and is a minor ore of copper, having a hardness of 2.5 to 7.0. It is of secondary origin and forms in the oxidation zones of copper ore bodies. Associated minerals are quartz , limonite , azurite , malachite , cuprite , and other secondary copper minerals.
Daggett, Parker, World-Wide Heritage Auctions: January 2005 $1,020,000 1863 $20 PR-65+ United States Eliasberg Heritage Auctions May 2022 $1,012,000 1921 $20 United States Hesselgesser Goldberg September 2007 $1,006,250 1796 With Stars $2.50 United States Byron Reed Heritage Auctions: January 2008 $1,006,250 1885 Trade Dollar United States Norweb
Martin Ruland (Lexicon alchemiae) explains chrysocolla as molybdochalkos, a copper-lead alloy. In Leyden papyrus X recipe 31 chrysocolla is an alloy composed of 4 parts copper, 2 parts asem (a kind of tin-copper alloy) and 1 part gold. Argyrochrysocolla appears to designate an alloy of gold and silver. [3]
Be Aware: Check Your $2 Bills — They Could Be Worth a Ton Try This: 3 Things You Must Do When Your Savings Reach $50,000 Here’s what you’ll need to know .
Read more The post 14 Things From the 1950s That Could Be Worth a Ton Today appeared first on Wealth Gang. Just ask this guy who sold a 1952 Mickey Mantle baseball card for $12.6 million.
On History Channel's hit show "Pawn Stars," a man came in to sell a 1907 Saint-Gaudens double eagle $20 gold coin. The coins are extremely rare, and some of them have sold for more than $1 million ...
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel.Its color is normally apple-green, but varies from turquoise-like cyan to deep green.
Also found among the Roman coins were 72 gold aurei, dated from 18 B.C. to 47 A.D. Those coins show no signs of wear and likely came from a pile of freshly minted coins, according to the Cultural ...