The followinguses for chromium are gathered from a number of sources as well as from anecdotal comments. I would be delighted to receive corrections as well as additionalreferenced uses.

• used to harden steel, to manufacture stainless steel, and to form alloys
• used in plating to produce a hard, beautiful surface and to prevent corrosion.
• used to give glass an emerald green colour. It is responsible for the green colour of emeralds and the red colour of rubies
• wide use as a catalyst
• dichromates such as K₂Cr₂O₇ are oxidising agents and are used in quantitative analysis and also in tanning leather
• lead chromate as chrome yellow is a pigment
• compounds are used in the textile industry as mordants
• used by the aircraft and other industries for anodising aluminium
• the refractory industry uses chromite for forming bricks and shapes, as it has a high melting point, moderate thermal expansion, and stable crystalline structure
• tanning leather