On these extreme clear & transparent Quartz with Unknown materialcrystals,  it seems that the grey to black crystal is some unknow material after Dolomite. First time to get it, Unusual!     Quartz with Unknown material  CM413855  USD 35.00  Weight: 12 g Chifeng, Inner Mongolia Quartz with Unknown material  CM433857  USD68.00  Weight:104 g Chifeng, Inner Mongolia Quartz with Unknown material  CM443858  USD25.00  Weight:75 g Chifeng, Inner Mongolia      Quartz  CM483861  USD 98.00  Weight: 270 g Chifeng, Inner Mongolia     |HOME |  Mineral Gallery |