3 forms of Gypsum vs 4 years of sitting in water I did this to show gypsum does not dissolve immediately if not ever. Water can weaken the structure overtime (as it has started to this year) but it will NOT ‘dissolve.’ Contrary to what these crystal blog posts will regurgitate ALL of your crystals are literally pressure washed before coming to you, dowsed in chemicals to get the iron stains out and then carved/polished under a stream of water. MOHS SCALE OF HARDNESS DOES NOT DETERMINE WATER SOLU

[Hot Item] Latest Technology Desulfurization Gypsum Powder Machine Gypsum Powder Production Line

Casting Powder 5 kg, Zero Bubbles, Super White, Super Hard, Odorless, Plaster Gypsum Powder for Silicone Molds, 30 Minutes Demold, Suitable for Handicrafts, Decorations, Plaster Statues, DIY

No water added, dry grinding into powder. Dry ball mill for grinding slag/cement/cinder/quartz stone. Grinding 32 cm materials down to 400 mesh, with an hourly output up to 600 tons. Applicable for slag/powder making/glass & ceramics/stone grinding/coal powder grinding/gypsum/silica sand/carbon black/marble/basalt/granite. Applied in mineral processing production lines in Lüliang, Yangquan (Shanxi); Huangshi, Yangxin (Hubei); Chizhou (Anhui); Yueyang, Linxiang, Xiangyin, Linli (Hunan); Jiangyin

Uses of gypsum - Uses of gypsum in agriculture and various other gypsum uses