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Awesome rare earth mineral collection Note: Bismuth is manmade but still intriguing to look at.

Awesome rare earth mineral collection Note: Bismuth is manmade but still intriguing to look at.

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.

Opal Group. Foto. Opal has been a popular gem for many centuries and has a very interesting structure. (...)

Opal Group. Foto. Opal has been a popular gem for many centuries and has a very interesting structure. (...)

Fire Obsidian Stone, while holding this rock you become one with the universe. its a truly zen experience.

Fire Obsidian Stone, while holding this rock you become one with the universe. its a truly zen experience.

Beautiful purple and blue boulder opal and opalized wood ..-

Beautiful purple and blue boulder opal and opalized wood ..-

"Fordite, also known as Detroit agate, is old automobile paint which has hardened sufficiently to be cut and polished.[1] It was formed from the build up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.[2] In recent times the material has been recycled as eco friendly jewelry"  I also know that the overspray build up stopped around 1972 and all of the fordite around is from old…

"Fordite, also known as Detroit agate, is old automobile paint which has hardened sufficiently to be cut and polished.[1] It was formed from the build up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.[2] In recent times the material has been recycled as eco friendly jewelry" I also know that the overspray build up stopped around 1972 and all of the fordite around is from old…

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