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Hemimorphite with Cerussite // M’fouati Mine, Bouenza Dept., Congo

Hemimorphite with Cerussite // M’fouati Mine, Bouenza Dept., Congo

Malachite with Chrysocolla - partially polished Stalactite / Congo

Malachite with Chrysocolla - partially polished Stalactite / Congo

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.

Самые удивительные драгоценные и поделочные камни мира. Часть 2 - Ярмарка Мастеров - ручная работа, handmade

Самые удивительные драгоценные и поделочные камни мира. Часть 2 - Ярмарка Мастеров - ручная работа, handmade

Aquamarine -  Dassu, Haramosh Mountains, North of the Skardu Road, Gilgit Division, Northern Areas, Pakistan

Aquamarine - Dassu, Haramosh Mountains, North of the Skardu Road, Gilgit Division, Northern Areas, Pakistan

Hémimorphite Zn4[(OH)2|Si2O7] . H2O sur aurichalcite. - Suisse.

Hémimorphite Zn4[(OH)2|Si2O7] . H2O sur aurichalcite. - Suisse.

Beautiful Minerals — gorgeousgeology: Barite is a mineral...

Beautiful Minerals — gorgeousgeology: Barite is a mineral...

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