Zinthu Zake: Mpweya wochuluka wokhazikika, phulusa lochepa, magetsi ndi kutentha kwambiri. Sulfure yochepa, ma porosity ochepa komanso kusinthasintha kochepa. Tinthu touma, toyera komanso tapakatikati
Kukula: 0.2–2mm, 1-5mm, 3–8mm, 5-15mm kapena kutengera zomwe kasitomala akufuna.
Kulongedza: mu thumba laling'ono la 25kg, thumba lalikulu la 1mt, kapena malinga ndi zosowa za wogula.
