Mineral: Tantalit / Tantalite
Größe / Size: 8,5 x 7 x 4,5 mm
Reinheit / Clarity: opak
Farbe / Color: schwarz metallisch / black metallic
Schliff / Cut: keiner, natürlicher Kristall / none, natural crystal
Herkunft / Origin: Parelhas, Rio Grande do Norte, Brasilien / Brazil
Tantalite (not to mix with Columbite) is a very rare mineral, containing the valuable element Tantal. Unique crystal for the ambitious collector.