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Indialite et Hématite. Nickenicher Weinberg, Andernach, Eifel Mountains, Germany…

Indialite et Hématite. Nickenicher Weinberg, Andernach, Eifel Mountains, Germany…

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 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 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.

Google Image Result for http://www.prehistoricplanet.com/images/features/earth/geologictime/geologictime1.jpg

Google Image Result for http://www.prehistoricplanet.com/images/features/earth/geologictime/geologictime1.jpg

This is a star-shaped quartz cluster with brilliant augelite crystals distributed between the quartz. From Mundo Nuevo Mine, Sanchez Carrion, La Libertad, Peru. Credit: Rudolf Watzl

This is a star-shaped quartz cluster with brilliant augelite crystals distributed between the quartz. From Mundo Nuevo Mine, Sanchez Carrion, La Libertad, Peru. Credit: Rudolf Watzl

Haüyne In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Haüyne In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Perovskite, Nepheline et Fluorapatite. Pérou Photo Reassuringly Random

Perovskite, Nepheline et Fluorapatite. Pérou Photo Reassuringly Random

Golden Topaz From Maynard's Claim, Thomas Range, Juab Co., Utah-SR

Golden Topaz From Maynard's Claim, Thomas Range, Juab Co., Utah-SR

Osumilite-(Mg)  Locality: Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany Photo Copyright © Stephan Wolfsried

Osumilite-(Mg) Locality: Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany Photo Copyright © Stephan Wolfsried

Batiferrite  Steinbruch Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland Taille=5 mm Copyright: Stephan Wolfsried

Batiferrite Steinbruch Stolz, Hillesheim, Eifel, Rheinland-Pfalz, Deutschland Taille=5 mm Copyright: Stephan Wolfsried

Roedderite, (Na,K)2(Mg,Fe)5Si12O30, Caspar Quarry, Ettringer Bellerberg, Ettringen, Eifel, Germany. Fov 3 mm.  Copyright: 	Stephan Wolfsried

Roedderite, (Na,K)2(Mg,Fe)5Si12O30, Caspar Quarry, Ettringer Bellerberg, Ettringen, Eifel, Germany. Fov 3 mm. Copyright: Stephan Wolfsried

Stunning and rare! Cerussite with Malachite inclusions / Tsumeb Mine, Namibia / Mineral Friends <3

Stunning and rare! Cerussite with Malachite inclusions / Tsumeb Mine, Namibia / Mineral Friends <3

Flourite (CaF2)  3.AB.25 Fluorit-Gruppe  3: HALOGENIDE  A: Einfache Halogenide, ohne H 2 O  B: M: X = 1: 2

Flourite (CaF2) 3.AB.25 Fluorit-Gruppe 3: HALOGENIDE A: Einfache Halogenide, ohne H 2 O B: M: X = 1: 2

Friedrichbeckeite. Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany FOV=1.6 mm Photo Matthias Reinhardt Ex Coll. E. Rondorf, Ex Coll. W. Schüller, now in Coll. M. Slama

Friedrichbeckeite. Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany FOV=1.6 mm Photo Matthias Reinhardt Ex Coll. E. Rondorf, Ex Coll. W. Schüller, now in Coll. M. Slama