Gabrielit (Gabrielite)
[açıklama] Formül Tl2AgCu2As3S7 Renk Grey to black Sertlik 1½ – 2 on Mohs scale Kristal Sistemi Triclinic
Vülfenit (Wulfenite)
[açıklama] Formül PbMoO4 Renk Orange-yellow, yellow, honey-yellow, reddish-orange, rarely colourless, grey, brown, olive-green and even black. Sertlik 2½ – 3 on Mohs scale Kristal Sistemi