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Ancient reptile fossils claw for more attention

Ancient reptile fossils claw for more attention

Beautiful American Spiderweb Turquoise - natural Number Eight Turquoise nugget

Beautiful American Spiderweb Turquoise - natural Number Eight Turquoise nugget

Elbaite, Lepidolite ~ Cruzeiro mine, São José da Safira, Doce valley, Minas Gerais, Brazil

Elbaite, Lepidolite ~ Cruzeiro mine, São José da Safira, Doce valley, Minas Gerais, Brazil

Cyanotrichite, a hydrous copper aluminum sulphate mineral. (Qinglong Mine, China)

Cyanotrichite, a hydrous copper aluminum sulphate mineral. (Qinglong Mine, China)

Fabulous Ammolite Iridescent Ammonite Cephalopod/ Ammonite - Placenticeras meeki Cretaceous Age - 100 million yrs Bearpaw Shale Formation Lethbridge Mining District, Alberta,Canada

Fabulous Ammolite Iridescent Ammonite Cephalopod/ Ammonite - Placenticeras meeki Cretaceous Age - 100 million yrs Bearpaw Shale Formation Lethbridge Mining District, Alberta,Canada

Inclusion spider fossil in Baltic amber by baltcoast

Inclusion (spider fossil) in the Baltic amber. (EM155)

Inclusion spider fossil in Baltic amber by baltcoast

Osmium is both the densest and the rarest element that you can dig out of the Earth. It's so hard that it's used (as an alloy) in places with constant pressure and wear, like the tips of fountain pens. One single cubic inch of this stuff weighs nearly a pound, and were you to somehow get a cubic foot of it, it would weigh over 1,400 pounds. Good luck with that, though: last year, the entire U.S. osmium production was only 165 pounds.

Osmium is both the densest and the rarest element that you can dig out of the Earth. It's so hard that it's used (as an alloy) in places with constant pressure and wear, like the tips of fountain pens. One single cubic inch of this stuff weighs nearly a pound, and were you to somehow get a cubic foot of it, it would weigh over 1,400 pounds. Good luck with that, though: last year, the entire U.S. osmium production was only 165 pounds.

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