METAL: Adamantium Alloys

Adamantium is a family of iron alloys (steel) that are the strongest known metals. Several different formulas for the alloy exist across different cultures. Some are stronger than others, but a few add additional properties to the alloy through mundane and extraordinary inclusions. It is the trace additives that make all the difference. Adamantite is 93%-97% iron, 1%-3% mythrall, and the remainder can be a number of other metals. Silver, vanadium, titanium, and lead are all amongst common additions. The smelting process is longer than other steels, and working adamantium at the forge is expensive and requires superior skill that only comes through a dedication to the craft. The metal requires a hotter forge than most steels, putting it beyond the reach of most forges.
The most common adamantium is a medium green, glistening metal with either waves of green variations across the surface, or watery marks like irregular rings. Below are several variations:


Adamantite, White A white adamantium alloy. Produced by a human empire for their knights. The surface appears to be an almost chalk-white uneven surface not dissimilar from a patina or rust. However, the white has an incredible ability to shed dirt, mud, blood, wine, soot, and dust like they were water. The armor has the protection of adamantium, but stays sparkling white.
Adamantite, Dwarven Red Forged amongst the dwarves is a type of adamantium alloy that is a deep red with black burnished tones. The adamantium must be oiled or a purple and cyan patina will begin to form. Some artisans only oil and protect the flats, leaving the trim lines to patina in striking contrasts.
Adamantite, Silvered (sometimes called Pewtered) Silvered adamantium has little to no green tint to it. It looks somewhere between silvers and pewters. It can be polished and burnished to have a very reflective mirror-like finish, but it oxidizes to a duller gray and even blackens in the corners. This has the effect of a dark wash and draws attention to carved and relief details. This alloy is used for decorative items as it does not have the same hardness of other adamantium alloys. It does have interesting acoustic properties. The metal can be rubbed to "sing" and it holds acoustic vibrations well drawing them out longer. It is a favorite for making metal instruments for these qualities.
Adamantite, Sylvan (also called Elvish or Gnomian) This alloy has been found amongst elves, gnomes, and a variety of fey. This green alloy is often assumed to be enameled as it has a smooth, glassy surface resembling colored enamels. It has been found in several greens including citrine, chartreuse, sage, and deep forest. Gnomian adamantite has the distinction that while not losing the hardness of the alloy it shares the acoustic property of silvered adamantium.