Is a oxide of ferric iron with lead, manganese, and titanium with formula (Pb,Mn)(Fe,Mn)12O19 and hardness of 6.
We have hexagonal black metallic crystals together with Richterite in pale pinkish Hedyphane matrix.
It comes from Amerika Working,Langban,Varmland,Sweden.
Size: 8.4x6.4x4.5 mm.
Weight: 2.30 ct.