Dolomite in Lumps, Chips and Powder form available. CaO= 30% >, MgO= 20% >, SiO2= <0.02%, Moisture= <0.07%
Quartz in Crystal form and in sand form in various mesh sizes.
Original Nephrite, Dark Green and Light Green Colors, in small denomination and big blocks as well.
Silica Sand, 96% to 99.9 %, various mesh sizes available.
