Bismuth (Bi)

Bismuth metal ingot - one troy ounce - .9999 bullion   Some of bismuth's many unusual properties have been known since ancient times when it was thought to be a precursor of silver that the Earth wasn't quite finished making yet.  It has a low melting point of 521 degrees Fahrenheit, is a dense metal, it expands upon freezing as only a few other metals do, has semiconductor properties, is generally considered to be among the most diamagnetic metals and has the highest Hall coefficient.  Its well known hopper crystal form (see attached picture -- not the form we sell) has an unusual cuboidal, stairstep lattice structure with diverse iridescent hues and is really quite beautiful.  Bismuth also has diverse industrial uses including in the pharmaceutical industry, metallurgy, electronics, atomic research, and as a nontoxic alternative to lead in many applications. Bismuth is rare in the Earth's crust (see below link to our favorite chart detailing where our metals fall in terms of r