Edelstein / Gemstone: Ferro Columbit / Ferro Columbite
Gewicht / Weight: 4,40 Carat
Größe / Size: 9 x 6,5 mm (3 mm Höhe / height)
Reinheit / Clarity: opak
Farbe / Color: Schwarzmetallisch / black metallic
Schliff / Cut: Oktagon
Herkunft / Origin: Galilea, Minas Gerais, Brasilien / Brazil
Rare Ferro Columbite from Galilea, Minas Gerais, Brazil. Hardly offered as a cut gemstone. Minimal exclusions on the surface which are typical for this mineral.