What was the first mirror made from?

       So what was is the correct answer to what was the first mirror?

A-Pool of Water

B-Mercury Glass

C-Silver

     If you answered "A" you are correct. The first mirror was cool dark water probably in some primitive vessels. All a mirror is, is a reflection so that would work. As time went on they used polished stones and glass. 4000 B.C mirrors were crafted from metals like copper, bronze brass that were highly polished.  Of course mirrors in some metals where hard to make and mostly owned by the wealthy.
    Metal-coated glass mirrors and glass backed mirrors were gold leafed. The Romans made primitive looking mirrors by coating hand blown glass with molten lead.
     Different techniques were used over the years to try to make mirror as in convex spheres and other shapes. 500 AD in china they began making mirrors with silver-mercury. Some started coating glass with tin-mercury.
     It is not exactly known when but dates around 16 century when Venice became known for a tin glazed mirror technique. that was a expensive luxury.  Other places like France and Germany started making a cheaper glass.
    It wasn't until in the 1800's that a chemist discover the invention of silvered glass mirror. It made mirrors more affordable so everyone could enjoy them. Nowadays mirrors are produced with wed deposit of silver directly onto the glass.