... boron minerals form.Characters: a white, crystalline powder, colorless crystals or crystalline masses, efflorescent, soluble in water, very soluble in ... fertilizer, optics glass, glass fiber, colored metal as jointing agent, cohering agent for jewelry, printing and dyeing, detergent, refined gold, cosmetics, borax ... % ≤ 0.002Chloride as Cl % ≤0.03 Borax Pentahydrate Used In Industry And Agriculture