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Tantalite Rio Grande do Norte, Brazil  ...
Avslutad auktion
Tantalite Rio Grande do Norte, Brazil  ...
Avslutad auktion

Om föremålet

This is a 'hella' specimen of an intrinsically valuable mineral. Tantalum has a number of unique properties that put in the class of a 'strategic' metal and any quantity is consequently valuable: wars have/are being fought, in Africa, for this stuff. At several points, in time, the market value of Tantalum was equal in value to14K Gold of the same weight. Being from Brazil, this specimen comes with provenance untainted by such an origin. Now you can have a fine Tantalite feel virtuous in the bargain: what's not to like?Ex. Luis Barreto Collection [RHC #4653, acquired 1987][Scale: 1 inch, with mark at 1 cm]HID07601242017
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