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.

uncut diamonds: the outisde appearance really hides the beauty inside. Many things (and people) are just like that. Hmmm...

uncut diamonds: the outisde appearance really hides the beauty inside. Many things (and people) are just like that. Hmmm...

Quartz var.Amethyst - Goboboseb Mts., Brandberg Area, Erongo Region, Namibia Size: 8.5 x 3.5 x 3.5 cm

Quartz var.Amethyst - Goboboseb Mts., Brandberg Area, Erongo Region, Namibia Size: 8.5 x 3.5 x 3.5 cm

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

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

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