Green quartz – prase, galena, sphalerite, marmatite,

A very aesthetic cabinet size specimen of cubic galena overgrowth by green quartz – prase ( colored by chlorite) and followed by a very lustrous group of black sphalerite – marmatite crystals with several clear twins. In the later stages of crystallization, galena was strongly dissolved,  and  quartz are standing in a  very attractive space net of crystals.
 90 x 70 x 55 mm

Galena, pyrite, sphalerite and quartz

One beautiful cabinet size specimen of quartz on mother rock and prazem overgrowth by pyrite and black sphalerite- marmatite and well shaped cubic galena crystals